由于资本主义政治经济发展是不平衡的，各个资本主义国家的地位和它们之间的力量对比经常处于变化之中。战后，这种发展不平衡的沉积已导致出现某些值得注意的新现象、新特点。本文分析了第二次世界大战后，特别是冷战结束之后，美国在世界经济中地位变化的一些特征，并就其中的原因进行了探讨 Since the capitalist political and economic development is uneven, the status of the various capitalist countries and the balance of power between them are constantly changing. After the war, this uneven development of deposits has led to some notable new phenomena and new features. This article analyzes some characteristics of the U.S. changes in the world economy after World War II, especially after the end of the Cold War, and discusses the reasons for this