THE NEW DIMENSION OF POWER
During the past decade global politics has changed fundamentally in two ways. First, it has been substantially reconfigured along cultural and civilizational lines, as I have highlighted in the pages of this journal and documented at length in The Clash of Civilizations and the Remaking of World Order. Second, as argued in that book, global politics is also always about power and the struggle for power, and today international relations is changing along that crucial dimension. The global structure of power in the Cold War was basically bipolar; the emerging structure is very different.
There is now only one superpower. But that does not mean that the world is unipolar. A unipolar system would have one superpower, no significant major powers, and many minor powers. As a result, the superpower could effectively resolve important international issues alone, and no combination of other states would have the power to prevent it from doing so. For several centuries the classical world under Rome, and at times East Asia under China, approximated this model. A bipolar system like the Cold War has two superpowers, and the relations between them are central to international politics. Each superpower dominates a coalition of allied states and competes with the other superpower for influence among nonaligned countries. A multipolar system has several major powers of comparable strength that cooperate and compete with each other in shifting patterns. A coalition of major states is necessary to resolve important international issues. European politics approximated this model for several centuries.
Contemporary international politics does not fit any of these three models. It is instead a strange hybrid, a uni-multipolar system with one superpower and several major powers. The settlement of key international issues requires action by the single superpower but always with some combination of other major states; the single superpower can, however, veto action on key issues by combinations of other states. The United States, of course, is the sole state with preeminence in every
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