Introduction: Unipolarity, state behavior, and systemic consequences

G. John Ikenberry, Michael Mastanduno, William C. Wohlforth

Research output: Chapter in Book/Report/Conference proceedingChapter

4 Scopus citations

Abstract

American primacy in the global distribution of capabilities is one of the most salient features of the contemporary international system. The end of the Cold War did not return the world to multipolarity. Instead the United States-already materially preeminent-became more so. We currently live in a one superpower world, a circumstance unprecedented in the modern era. No other great power has enjoyed such advantages in material capabilities-military, economic, technological, and geographical. Other states rival the United States in one area or another, but the multifaceted character of American power places it in a category of its own. The sudden collapse of the Soviet Union and its empire, slower economic growth in Japan and Western Europe during the 1990s, and America's outsized military spending have all enhanced these disparities. While in most historical eras the distribution of capabilities among major states has tended to be multipolar or bipolar-with several major states of roughly equal size and capability-the United States emerged from the 1990s as an unrivaled global power. It became a “unipolar” state. Not surprisingly, this extraordinary imbalance has triggered global debate. Governments, including that of the United States, are struggling to respond to this peculiar international environment. What is the character of domination in a unipolar distribution? If world politics is always a mixture of force and consent, does unipolarity remove restraints and alter the mix in favor of force? Is a unipolar world likely to be built around rules and institutions or based more on the unilateral exercise of unipolar power? These questions have been asked in the context of a global debate over the projection of power by the former George W. Bush administration. To what extent was America's foreign policy after 2001 a reflection simply of the idiosyncratic and provocative strategies of the Bush administration itself, rather than a manifestation of the deeper structural features of the global system of power? These concerns over how a unipolar world operates-and how the unipolar state itself behaves-are the not-so-hidden subtext of world politics at the turn of the twenty-first century.

Original languageEnglish (US)
Title of host publicationInternational Relations Theory and the Consequences of Unipolarity
PublisherCambridge University Press
Pages1-32
Number of pages32
ISBN (Electronic)9780511996337
ISBN (Print)9781107011700
DOIs
StatePublished - Jan 1 2011
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Social Sciences

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