World Out of Balance: International Relations and the Challenge of American Primacy. By Stephen G. Brooks, William C. Wohlforth. Princeton, NJ: Princeton University Press, 2008. 226 pp., $65.00 hardcover (ISBN-13: 978-0-691-12699-9). Unipolarity has preoccupied American international relations (IR) scholars, policymakers, and foreign policy analysts since the Cold War ended and the “unipolar moment” was proclaimed (Krauthammer 1990/1991). Since the Cold War's end IR scholars of various stripes—especially balance-of-power realists—have warned that unipolarity would boomerang against the United States (Layne 1993, 2006a,b; Waltz 1993). The United States’ post-9/11 policies—especially the US invasion of Iraq in March 2003—fanned these worries as scholars and policy analysts argued that “unilateralist” US policies were fueling a backlash against American hegemony (Ikenberry 2002; Nye 2002; Walt 2002, 2005; Pape 2005; Paul 2005). More recently, the financial and economic crisis that hit the US economy beginning in Fall 2007—coupled with the rise of new great powers like China and India, and the resurgence of Russia—have raised questions about the decline of America's relative power. These doubts found official expression in the National Intelligence Council's (2008) Global Trends 2025 report. World Out of Balance is a forcefully argued rebuttal to arguments that American hegemony is waning and that unipolarity provokes other states to check US power. This is an important—must read—book for scholars of IR theory, security studies, and US foreign policy. Displaying a firm mastery of the various IR theory literatures, Dartmouth professors Stephen G. Brooks and William C. Wohlforth seek to refute the arguments of Waltzian realists, liberal IR theorists, neoliberal institutionalists, and constructivists that “the current unipolarity is not an unalloyed benefit for the Untied States because it comes with the prospect of counterbalancing, increased dependence on the international economy, a greater need to maintain a favorable reputation to sustain cooperation within international institutions, and greater challenges to American legitimacy” (p. 4). Brooks and Wohlforth conclude the “unprecedented …
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