Coercion, Survival, and War: Why Weak States Resist the United States
By Phil Haun
()
About this ebook
In asymmetric interstate conflicts, great powers have the capability to coerce weak states by threatening their survival—but not vice versa. It is therefore the great power that decides whether to escalate a conflict into a crisis by adopting a coercive strategy.
In practice, however, the coercive strategies of the U.S. have frequently failed. In Coercion, Survival and War Phil Haun chronicles 30 asymmetric interstate crises involving the US from 1918 to 2003. The U.S. chose coercive strategies in 23 of these cases, but coercion failed half of the time: most often because the more powerful U.S. made demands that threatened the very survival of the weak state, causing it to resist as long as it had the means to do so. It is an unfortunate paradox Haun notes that, where the U.S. may prefer brute force to coercion, these power asymmetries may well lead it to first attempt coercive strategies that are expected to fail in order to justify the war it desires.
He concludes that, when coercion is preferred to brute force there are clear limits as to what can be demanded. In such cases, he suggests, U.S. policymakers can improve the chances of success by matching appropriate threats to demands, by including other great powers in the coercive process, and by reducing a weak state leader's reputational costs by giving him or her face-saving options.
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Coercion, Survival, and War - Phil Haun
Stanford University Press
Stanford, California
© 2015 by the Board of Trustees of the Leland Stanford Junior University.
All rights reserved.
No part of this book may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or in any information storage or retrieval system without the prior written permission of Stanford University Press.
The views expressed in this book are those of the author and do not reflect the views of the Department of Defense or any of its components.
Printed in the United States of America on acid-free, archival-quality paper
Library of Congress Cataloging-in-Publication Data
Haun, Phil M., author.
Coercion, survival, and war : why weak states resist the United States / Phil Haun.
pages cm
Includes bibliographical references and index.
ISBN 978-0-8047-9283-7 (cloth : alk. paper)
1. Asymmetric warfare—United States—Case studies. 2. Asymmetric warfare—Case studies. 3. United States—Military policy—Case studies. 4. United States—Foreign relations—Case studies. I. Title.
U163.H39 2015
355.4'2—dc23
2014036166
ISBN 978-0-8047-9507-4 (electronic)
Typeset by Thompson Type in 10/14 Minion
Coercion, Survival, and War
WHY WEAK STATES RESIST THE UNITED STATES
Phil Haun
Stanford Security Studies
An Imprint of Stanford University Press
Stanford, California
To Bonnie for filling my life with such joy
CONTENTS
List of Tables, Figures, and Maps
Acknowledgments
1. Introduction
2. A Theory of Asymmetric Interstate Coercion
3. Survival and Coercion Failure
4. The United States versus Iraq: The Gulf and Iraq Wars
5. The United States versus Serbia: Bosnia and Kosovo
6. The United States versus Libya: El Dorado Canyon, Pan Am Flight 103, and Weapons of Mass Destruction
7. Conclusion
Appendix A: Coding U.S. Cases of Asymmetric Coercion
Appendix B: Asymmetric Coercion Model
Notes
Index
TABLES, FIGURES, AND MAPS
Tables
1.1. U.S. Asymmetric Interstate Crises: 1950–2011
4.1. Iraqi Army Weapons Estimates in Kuwaiti Theater of Operations
Figures
2.1. Asymmetric Coercion Model
2.2. Coercion Range
2.3. Coercion Failure Due to Nonrational Behavior
3.1. No Coercion Range Due to a High Probability of Victory
3.2. Spectrum of Demands
B.1. Coercion Model in Extended Form
B.2. Coercion Range
Maps
4.1. Iraq
5.1. Western Balkans
5.2. Serbia
6.1. Libya
ACKNOWLEDGMENTS
My journey to answer why the United States fails to coerce weak states commenced in the spring of 1999 when, as an A-10 pilot, I dodged missiles attempting to locate, identify, and destroy Serbian armor. No one up the chain of command could explain how NATO’s air strikes would convince Slobodan Milosevic to cede Kosovo. Subsequently, at the School of Advanced Air Power Studies, I studied with Stephen Chiabotti, Forrest Morgan, David Mets, Hal Winton, Rich Muller, Ev Dolman, Jim Corum, Richard Andres, and Tom Ehrhard, who helped me understand how military force could be applied to achieve political outcomes. Many years later at the Security Studies Program at MIT I discovered a group of intellectuals led by Barry Posen, who refused to cut corners in the quest for knowledge or employ methodological gimmicks in the search for truth. I am indebted to Owen Cote, Ken Oye, Robert Art, Roger Petersen, Richard Samuels, Stephen Van Evera, Harvey Sapolsky, Taylor Fravel, Fotini Christia, David Singer, Gabe Lenz, Cindy Williams, Jim Walsh, and Vipin Narang and to my cohort and colleagues Josh Shifrinson, Tara Maller, Austin Long, Caitlin Talmadge, Paul Staniland, Keren Fraiman, Brendan Green, Jon Lindsay, Andrew Radin, Peter Krause, Dan Altman, Will Norris, Nathan Black, Kentaro Maeda, Rachel Wellhausen, Stephanie Kaplan, Sameer Lalwani, Gautam Mukunda, Ben Friedman, Kelly Grieco, Chris Clary, Miranda Priebe, and Jill Hazelton. I thank Barbara Geddes, Ken Schultz, and Todd Sechser for providing me access to their databases and Andrew Bennett, Bob Pape, and Robert Powell for their advice. I especially thank an unnamed reviewer for his or her ruthless feedback. I thank my colleagues at the U.S. Naval War College, especially John Maurer, Colin Jackson, Josh Rovner, Brad Lee, Wick Murray, Scott Douglas, Tim Schultz, Tim Hoyt, Sally Paine, Charlie Edel, Tom Mahnken, David Kaiser, Karl Walling, Dex Wilson, David Brown, Bob Flynn, Mike Vlahos, Toshi Yoshihara, and Nick Saradakis. I thank Fairchild Republic for making an aircraft to survive missile strikes, God for watching over me, and my family for making it all worthwhile. Finally this book is dedicated to Bonnie, who has been with me through it all. Thank you for your talent, patience, and sacrifice to bring this book into reality.
1
INTRODUCTION
ON AUGUST 2, 1990, ARMORED DIVISIONS of the Iraqi Republican Guard rolled into Kuwait City. The United States responded immediately, convening the UN Security Council, condemning the aggression, and demanding an immediate and unconditional withdrawal. Within days, the Security Council imposed comprehensive sanctions to compel Iraq to reverse its actions. Meanwhile, the U.S. military deployed thousands of aircraft, ships, and troops to the Middle East to deter further aggression. Though economic sanctions soon forced the Iraqi government to begin rationing, its dictator, Saddam Hussein, remained obstinate. In October, President George H. W. Bush ordered a doubling of U.S. deployed forces with the objectives of liberating Kuwait and destroying the Iraqi Army. To garner international and domestic support for war, the administration pressed the Security Council to authorize a coalition of thirty-four nations to use all means necessary to free Kuwait should the Iraqi Army not withdraw by January 15, 1991. In the final days leading up to the deadline, however, the White House feared not that coercion would fail but that it might succeed. Bush had already paid the diplomatic, political, and deployment costs of preparing for war, and his worst-case scenario now had Saddam capitulating. Although such an outcome would have rescued Kuwait, it would also have spared the Republican Guard, guaranteeing Saddam would remain in power and threaten his neighbors in the future.
Fortunately for Bush, coercive diplomacy failed when the January 15 deadline expired and the U.S.-led coalition launched a massive air campaign. Coalition fighters quickly secured air superiority over Kuwait and southern Iraq, while its bombers and cruise missiles simultaneously attacked leadership targets in Baghdad in an effort to paralyze Saddam’s ability to command and control his military. Undeterred, Saddam ordered Scud missiles to be launched at Israel and Saudi Arabia and, in late January, directed forward elements of his army to advance into Saudi Arabia in an attempt to jump-start his mother of all battles.
By early February, coalition air power shifted its effort toward attriting the Iraqi Army in preparation for the land invasion. Saddam’s strategy had failed both to draw Israel into the conflict and to bait the coalition into an early ground war. His hope of victory faded as the air strikes against Iraqi fielded forces intensified. By mid-February, Iraqi officials broached the possibility of a cease-fire, and Soviet diplomats initiated discussions on the terms of a peace proposal. Fearful that Saddam would now agree to the UN resolutions and deny it the opportunity to destroy the Republican Guard, the United States accelerated the start date for the ground offensive. On the eve of the invasion, Saddam accepted the Soviet-brokered deal, which would have suspended all sanctions against Iraq on the withdrawal of its army from Kuwait, a process for which Iraq would be granted twenty-one days. Bush rejected these conditional terms and instead issued a forty-eight-hour ultimatum for withdrawal. To meet such a deadline would have required the Iraqi Army to abandon its heavy weaponry and prepared defenses. Though willing to withdraw from Kuwait in an orderly fashion, Saddam would not accept the humiliation of a hasty retreat, which would have left Iraq’s southern border exposed and his regime vulnerable to domestic unrest. Coercion failed as Saddam chose to face the ground war with a slim chance of victory rather than concede, which would have threatened the survival of the Iraqi state and his regime.
This book is about why the United States chooses to coerce weak states and, as with Iraq in 1991, why coercion so often fails. Since World War II, the United States has been the great power that has most frequently initiated crises with much weaker states.¹ In these asymmetric interstate crises, U.S. leaders have more often than not chosen coercion, which has been met by resistance in half the cases. And, of these unsuccessful efforts, half again have been resolved only by war. Given the overwhelming military advantage enjoyed by the United States, why do weak states so often resist, and why does coercion fail?
Coercion threatens force or employs limited force to convince a target to comply with a challenger’s demands.² In a conflict against a weak state, the United States, with its disproportionate advantage in power, has the luxury of choice, to decide whether to accommodate or to escalate the disagreement into a crisis by threatening military force. When choosing force, the United States has the options of coercion or brute force war. Because coercion requires the cooperation of the targeted state, it is a strategy likely to achieve only moderate foreign policy goals but with the advantage of avoiding the full costs of war. This is an attractive option for U.S. decision makers, particularly when conflicts are over issues nonvital to national security. Brute force strategies, by contrast, do not require the cooperation of the enemy to succeed and may thus realize more ambitious objectives, such as seizing territory or imposing regime change. Such actions, however, incur a higher price in terms of blood and treasure. The United States therefore usually prefers coercion, even with its more moderate goals and diminished chance of success.
International relations scholars offer numerous reasons for why coercion fails. Much of the literature focuses on psychological, cognitive, or organizational biases and the resultant nonrational decision making that leads to war.³ Others offer structural causes of war based on uncertainty or commitment problems inherent to the anarchic international system. These arguments, although useful for explaining why crises arise or why violence erupts, fall short of explaining the final outcome for most cases of asymmetric interstate coercion.
In theory, coercion should always succeed, as the United Sates should choose a coercive strategy only when it expects the targeted state will acquiesce. In reality, however, coercion often fails, as policy makers mismatch demands and threats. In some cases, the demands are so severe that, if conceded, they jeopardize the survival of the much weaker state or its regime. When this is the case, there is not likely to be any credible threat that will convince a target to agree to its own demise, so long that it retains the means to resist.⁴
A state’s survival requires that it retain sovereignty over its domestic and international affairs. Domestic sovereignty is threatened when a powerful challenger demands that a targeted state concede homeland territory. In Bosnia from 1992 to 1995, the Bosnian Serbs consistently resisted any peace deal that required them to concede territory. Though the Republika Srbska had not been recognized as a state, it acted as one. Only after it had already lost its western lands to the Croatian Muslim ground offensive backed by NATO air power did it finally agree to concede this territory, which it no longer possessed, to retain the ground it still held. Rationally, a powerful challenger should understand that a target will resist in such cases as its survival depends on it protecting its homeland.
Along with homeland territory, a state’s survival requires that it maintain its international sovereignty over its foreign policy decision making. A state will thus reject demands for regime change, as this forfeits such autonomy. In March 2003, for example, Saddam rejected President George W. Bush’s demand that he leave Iraq only days before the U.S. invasion. Although leaders will refuse to give up a state’s autonomy, if subjected to sufficient coercive pressure they may be constrained in their foreign policy choices. For example, after ordering an invasion of Jordan in September 1970, Syrian leaders reversed this decision within days. An effective defense by the Jordanians, combined with the threat of the Israeli Air Force backed by U.S. forces in the Mediterranean, deterred the Syrians from committing their air force to the battle. As a result, this compelled the Syrians to withdraw their ground forces from Jordan.⁵ Coercion succeeded, in part, because Syria’s decision to withhold its air power did not threaten its survival, whereas having its air force destroyed by the Israelis may well have done so.
In addition to state survival, a ruling regime must also be wary of the potential threat from domestic opposition. Concessions signal that the regime is weak, a revelation that may trigger a coup or insurgency. Saddam resisted Bush’s forty-eight-hour ultimatum in 1991 out of concern over the audience costs associated with such a public foreign policy failure. The Shia and Kurdish revolt after the Gulf War suggests that these fears were well founded.
Survival concerns are particularly relevant in asymmetric interstate crises, given the inherent power disparities between great powers and weak states. The tremendous military advantage enjoyed by a powerful challenger enhances its expected outcome in a war against a weak opponent. Ceteris paribus, to prefer coercion over brute force requires the great power to levy heavy demands on its target, which, in turn, increases the likelihood concessions will threaten the survival of the weak state and its regime. This being the case, however, the target is likely to resist and coercion fail.
The resistance of weak states introduces a related question. Why would an American statesman choose a coercive strategy likely to fail? If the demands are high, such that the weak state is not likely to be coerced, why doesn’t the United States simply take its objectives by force? Again, the international relations literature refers us to the previously mentioned list of rational and nonrational explanations for war. In addition, two incentives exist for a powerful challenger to intentionally choose a coercive strategy it expects to fail. First, coercion may be but an interim stage of a brute force strategy. It takes time to mobilize and deploy military forces to invade and occupy a country. If the costs of coercion are low, and there is some chance that the weak state might concede, then it may make sense to issue coercive demands while preparing for war.
Second, modern states are expected to seek resolution to conflicts through negotiations or intervention by international institutions before resorting to violence. U.S. leaders thus have an incentive to work through the UN Security Council to avoid the diplomatic and political costs of abrogating this norm. To justify war, the United States may therefore make the pretense of seeking a settlement when it, in fact, prefers that the weak state reject its efforts. This proved to be the case in the lead-up to the 2003 invasion of Iraq. President Bush spoke before the UN General Assembly on September 12, 2002, demanding that Iraq disclose and abandon its weapons of mass destruction (WMD). Before the Security Council could even pass a resolution, however, he began making the case that Saddam could not be trusted.⁶ Bush counted on coercive diplomacy to fail and thus provide justification for the war he had already decided on.
U.S. COERCION SINCE WORLD WAR II
Since the Second World War, the United States has been involved in half of the asymmetric interstate crises pitting great powers against much weaker states.⁷ Table 1.1 lists the cases in which the United States threatened or employed military force. In twenty-three of these thirty conflicts, U.S. leaders opted for coercion over brute force. Chapters 4 through 6 provide in-depth assessments of six of these crises with Iraq, Serbia, and Libya, respectively. Appendix A summarizes the remaining seventeen coercive cases. The summaries include the rationale for the coding provided in Table 1.1 for foreign policy, coercion, and coercive diplomacy success or failure. For a case to be coded as a success, the United States must have concluded the crisis having attained its core ex ante objectives. Overall, the United States achieved these foreign policy goals two-thirds of the time (twenty of thirty).
Coercion is coded as a failure when it did not achieve U.S. core foreign policy objectives or when the United States abandoned coercion in favor of a brute force strategy. This latter reason has increasingly caused coercion failure. It occurred in five out of the twelve coercion cases that have taken place since the Cold War: in 1991 in the Gulf War, in 1998 in the Desert Fox air strikes, in 2001 in the Afghanistan War, in 2003 in the Iraq War, and in 2011 in the Libyan Arab Spring.
Table 1.1. U.S. Asymmetric Interstate Crises: 1950–2011.
SOURCE: International Development and Conflict Management’s International Crisis Behavior (ICB) database and Kenneth Schultz and Jeffrey Lewis’s Coercive Diplomacy Database.
NOTE: Asymmetric interstate crises identified from an examination of the Center for International Development and Conflict Management’s International Crisis Behavior (ICB) database compared to Kenneth Schultz and Jeffrey Lewis’s Coercive Diplomacy Database, with which they expand the ICB database into dyadic cases.
Coercive diplomacy is a more restrictive form of coercion, for which violence is only threatened. Coercive diplomacy is not applicable for many cases of interwar coercion, in which force is already being employed. Where coercive diplomacy has been attempted, it has failed in two-thirds of the cases (thirteen of nineteen).⁸ This lower success rate is understandable because, for coercion to succeed, a powerful challenger must at times first demonstrate resolve by employing limited force. Other times, coercive diplomacy fails because demands are initially too high and the threats too low. In such cases, coercive diplomacy fails, but coercion eventually succeeds when, over time, the powerful challenger adjusts its threats and demands until the weak target acquiesces.
Because war, coercion, and brute force all involve a state’s employment of violence, a clarifying comment is warranted. In theory, war is a state’s use of violence to achieve its political objectives, but, in practice, the amount of violence required to call a crisis a war is set arbitrarily.⁹ For instance, El Dorado Canyon, the coercive strategy that involved a single U.S. air raid against Libya, is not classified as a war even though blood was shed on both sides. By contrast, the eleven weeks of air strikes against Serbia over Kosovo are called a war, even though no NATO personnel were killed in combat. Whereas coercive strategies may or may not reach the requisite level of violence of being labeled as war, brute force strategies, where objectives are seized by force, such as in Korea, Vietnam, Afghanistan, and Iraq, are called wars. Because this book is more concerned with the U.S. decision making in choosing between coercive and brute force strategies and less concerned as to whether a particular crisis qualifies as a war, in an effort to limit confusion, the term war in this book will refer only to brute force strategies.
This book makes two primary contributions to our understanding of international politics and U.S. foreign policy. First, it introduces a theory for coercion specific to asymmetric interstate conflicts. A simple but powerful game theoretic model captures the unique and key characteristics of the interaction between a powerful challenger and a much weaker opponent. This model incorporates the alternative strategies available to the United States, that is, those of accommodation and brute force. Also, the coercion range is developed to demonstrate the set of potential demands for which the United States prefers a negotiated settlement to war and the weak target prefers concession to resistance.
This book further demonstrates that the survival concerns of weak states and their leaders provide a better explanation for coercion failure than the rational explanation for war based on commitment problems. The survival argument proposes that a weak state will resist the demands of a great power because concession would result in the loss of the state’s and/or the regime’s sovereignty. By contrast, the commitment explanation claims that a weak state’s resistance is based less on concerns over the outcome of the present crisis and more on the impact a concession would have on future crises.
Second, this book presents seven historical cases drawn from recent U.S. experience with Iraq, Serbia, and Libya. Each case traces the decisions made by the United States and its adversaries that led ultimately to coercion success or failure. Together, these cases validate the asymmetric coercion model for analyzing asymmetric conflicts and demonstrate the significant role survival plays in the decision making of a weak state and its leaders.
This work should be of interest to foreign policy practitioners. It identifies clear limits to the effectiveness of coercive strategies. Demands, which threaten the survival of not only the weak state but also its regime, are most likely to be resisted. It also highlights that, at times, coercive diplomacy must first fail before coercion can succeed. Weak state leaders often face internal threats, prompting them to initially resist demands and provoke a limited U.S. attack to exhibit their resolve to those who might otherwise remove them from power.
This book also offers policy recommendations that increase the likelihood of coercion success for the United States in future asymmetric conflicts. Policy makers should be concerned not only with matching threats to demands but also with the manner in which their coercive strategies are implemented. The timing and delivery of coercive signals have a direct impact on the audience costs a weak state’s leader will suffer for making concessions. In addition, U.S. leaders should continue to take steps to minimize commitment problems by working through international institutions, building coalitions, engaging third parties in the negotiations, and/or by implementing agreements incrementally.
OVERVIEW
This book proceeds as follows: Chapter 2 develops a theory of asymmetric coercion that concludes that the United States, as a powerful challenger, should coerce only when its weak target state is likely to concede and only then if this expected outcome is better than that of either accommodation or brute force war. The equilibrium conditions for this model suggest that coercion should then succeed, and a coercion range is developed for the set of demands to which both the challenger and the target will agree. In the real world, of course, coercion often fails, and the latter part of Chapter 2 introduces the conventional rational and nonrational explanations. Chapter 3 introduces an alternative explanation for coercion failure based on the target’s survival concerns. The chapter concludes by considering two incentives for the United States to knowingly choose coercive strategies likely to fail.
Chapters 4 through 6 expand this analysis with a series of cases of U.S. asymmetric interstate coercion. Chapter 4 examines two crises between the United States and Iraq. In the 1991 Gulf War and the 2003 Iraq War, the United States adopted coercive strategies that threatened the survival of Saddam’s regime and the Iraqi state. These crises test the limits for what coercion can achieve and examine the trade-offs between coercive and brute force strategies. In both crises, U.S. administrations chose coercive strategies they did not intend to have succeed in order to then implement the brute force strategies they preferred. These two crises thus provides insight into the key questions addressed by this book as to why the United States so often chooses coercion, why coercion so often fails as weak states resist, and, knowing this, why U.S decision makers might still prefer coercive strategies.
Chapter 5 examines two crises of the United States against the Bosnian Serbs and Serbia in 1992 and 1999, respectively. In both cases, coercive diplomacy failed, but coercion ultimately succeeded. The first crisis arose over actions in the Bosnian Civil War from 1992 to 1995, whereby the United States finally coerced the Bosnian Serbs into accepting a peace agreement but could never compel them to give up territory until it had already been taken by force. The second crisis arose over Serbia’s treatment of Kosovar Albanians and concluded when Serbia’s President Slobodan Milosevic finally conceded Kosovo after a seventy-eight-day NATO air campaign. He conceded, however, only when the expected economic costs to Serbia from the air campaign outweighed the political value of maintaining control of Kosovo. This crisis is a rigorous test of the survival hypothesis as Serbia eventually conceded homeland territory although it still retained the means to resist.
Chapter 6 considers three cases between the United States and Libya from 1981 until 2003. Libya’s support of international terrorism triggered a crisis for the United States, culminating in the El Dorado Canyon air raid in April 1986. Coercion ultimately failed because of the mismatch between demands and threats as an isolated Reagan administration could not maintain the credible threat of force. The second case commenced with the bombing of Pan Am Flight 103 over Lockerbie, Scotland, in December 1988. It concluded with the extradition of two Libyan officials in 1999 to stand trial at The Hague. Another crisis commenced in September of 2002 when British Prime Minister Tony Blair, with the backing of George W. Bush, made overtures to Muammar Qaddafi to resume negotiations over Libya’s WMD. The case concluded in December 2003 when Qaddafi abandoned Libya’s nuclear, biological, and chemical ambitions.
2
A THEORY OF ASYMMETRIC INTERSTATE COERCION
ON OCTOBER 4, 2003, OFFICIALS INTERDICTED a shipment bound for Libya containing components for centrifuges to enrich uranium. Caught red handed with irrefutable evidence of a nuclear weapons program, Colonel Muammar Qaddafi finally succumbed to U.S. coercive demands to abandon Libya’s weapons of mass destruction (WMD) programs. This incident is just one example of the United States confronting a much weaker state. In such asymmetric crises, U.S. decision makers more often opt for a coercive strategy, which holds the promise of foreign policy gains without the high costs of invasion and occupation incurred by war.
For coercion to succeed, however, a target state must first yield to the demands made of it. As sovereign actors, however, states contest such external pressure; their rulers oppose concessions that would reveal them as weak and seek to avoid the humiliation of losing face for backing down. Consequently, states and their leaders resent being coerced and prefer to resist whenever feasible. Even so, the question remains as to why the United States, with its tremendous military advantage, routinely fails to coerce these weak states. U.S. leaders should understand this tension between a targeted state’s desire to resist any coercive demand and its fear of America’s military might. For its coercive strategies to succeed, the United States should make only those threats that it is willing to back with credible force and issue only those demands to which the target will likely concede. In so doing, it avoids foreign policy failure or the subsequent high costs of having to secure its objectives by brute force.
The U.S. record with asymmetric coercion, however, is mixed. Although the United States has adopted coercive strategies in 75 percent of its asymmetric crises since World War II, coercion has succeeded in just half of these cases (see Table 1.1). Why does the United States so frequently fail to coerce weak states? This chapter addresses this question by first considering the theoretical underpinnings of asymmetric interstate coercion. What should be the outcome of a coercive strategy adopted by a powerful challenger against a much weaker state? To accomplish this task, a theory of coercion specific to asymmetric interstate conflict is developed, key terms are defined, restrictions to the use of coercive force are examined, and alternative foreign policy options are considered. From this basis, a game theoretic model for asymmetric coercion is constructed that incorporates the strategic interaction between a powerful challenger and a weak target. From the resulting equilibrium conditions, the coercion range is formulated, the set of demands that both target and challenger prefer to resistance and brute force war. Together, the asymmetric coercion model and coercion range provide a framework to analyze why U.S. coercive strategies succeed or fail.
In equilibrium, this model expects coercion to succeed, as a great power should adopt a coercive strategy only if a coercion range exists in which a challenger and target state can reach a bargain that avoids war. In the real world, however, coercion frequently fails. To understand why weak states resist the United States, the latter sections of this chapter consider the conventional explanations for war through the lens of this asymmetric coercion model.
ASYMMETRIC CRISES
Conflicts escalate to crises between states when there is a heightened probability of military hostility accompanied by a time constraint.¹ In asymmetric interstate crises, the distribution of power is such that a great power can threaten the survival of a weaker state, but not vice versa.² Only a few nations since World War II have achieved great power status: the United States, the Soviet Union/Russia, Great Britain, France, and China.³ All other states are weak by comparison. Great powers typically have the military capacity to credibly threaten to invade a weaker state and overthrow its regime.⁴ Although this asymmetry is primarily determined by relative military power, other factors such as distance, geography, and climatology diffuse a great power’s ability to project its military might. The disparity in power grants a great power the latitude to decide whether and, if so, when to escalate a conflict into a crisis. For example, the initial outbreak of the Bosnian Civil War did not create a crisis for the United States. Not until refugees began pouring into Western Europe and NATO peacekeeping troops deployed to Bosnia did the United States, from its point of view, make the decision to escalate the conflict into a crisis.
In an asymmetric crisis, the great power may well have the military advantage, but its interests are, by definition, limited. By contrast, the targeted state is much weaker, but its interests are greater, particularly when it perceives its survival at stake, and this translates into greater resolve.⁵ The powerful state’s military advantage may be in part or wholly offset by the weaker state’s resolve. As a result, crisis outcomes are not determined solely by the relative level of military power but also by the willingness of the combatants to endure losses. The Vietnam War is just such an example, in which the North’s willingness to endure allowed it to overcome the superior military capability of the United States.⁶
Rather than escalating a conflict into crisis, however, a great power also has the alternative of accommodating, or appeasing, a weak state, by choosing not to contest the issue at hand to avoid further conflict.⁷ Given the relatively small number of international crises in comparison to the much larger universe of potential crises, accommodation is the most common foreign policy choice for all states. Accommodation is the default strategy adopted when states choose not to take military action. This is usually the reasonable course of action when nonvital interests are at stake and/or the costs of implementing a coercive or brute force strategy are too high. For example, the United States accommodated Venezuela’s President Hugo Chavez after he nationalized oil rigs owned by U.S. companies in 2010.⁸ Though the Obama administration sacrificed American business interests, it also avoided the economic losses and military costs of a confrontation. Great powers, in fact, most often accommodate the daily frictions generated by self-interested states forced to interact within the constraints of the international system. On occasion, however, when the issues at stake are sufficiently valuable and diplomacy alone cannot satisfactorily resolve a conflict, the United States may instead prefer to take a stand by choosing either a coercive or brute force strategy.
COERCION
In asymmetric interstate conflicts, a great power may view coercion as its most attractive foreign policy option. Coercion threatens force or employs restricted force to convince a target to comply with demands.⁹ Coercive strategies consist of demands and threats, which are credibly communicated by costly signaling.
Coercive Demands: Compellence and Deterrence
Demands are the actions required of the target state to achieve the aims for which the powerful challenger initiated the crisis and, once met, terminate the crisis. Demands may be for minor policy changes, such the apology demanded of North Korea in