Power can be both absolute and relative. A state's absolute power can increase while its relative power declines; or its absolute power can diminish while its relative power increases. I suspect the United States will be in the second situation in the twenty-first century. America's ability to influence world events will increasingly diminish, but the power of other great states and blocs of states will diminish even further, leaving America in relative terms more powerful than before, to less and less effect.
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