"A transformation . . . from a unipolar to a bipolar system or from a bipolar to a multipolar system often will be closely associated with shifts in the strategies for peace fashioned by the leading contenders for power."
-- Charles W. Kegley, Jr. and Gregory Raymond1
Have the conditions of the "long peace" that has obtained since the end of World War II vanished, or have additional conditions for peace emerged? "The end of World War II did not reduce insecurities--it ushered into being a period of chronic crisis, as the overkill produced an age of instability," as Charles Kegley states. 2 The period from 1945 to the present comprises the longest period of great-power peace since the birth of the modern (Westphalian) world system. In fact, the peak of the Westphalian era was reached with the end of the Cold War in the early 1990s. An ideological rivalry for hegemony between the world's two leading powers was fought without a military clash. Now, a window of opportunity for a lasting peace is open.
This book argues that the ongoing transition of the international system from the end of the post-Cold War short period of "unipolar momentum" toward new great power rivalry through a period of multipolar coexistence will contain a real chance to restructure the international system in order to avoid a potential military clash of emerging great