一战结束后,纽约取代伦敦成为世界经济中心。但面对有利于美国的国际形势,美国参议院却拒绝批准《凡尔赛和约》,以至于美国没能成为国际联盟的成员,这表明此时美国在外交决策与战略上还没有摆脱早期历史发展中的“孤立主义”影响。而思维上的禁锢,也影响了军事的建设——第一次世界大战结束不久,美国的整体军事力 After World War I, New York replaced London as the world economic center. However, facing the favorable international situation in the United States, the U.S. Senate refused to ratify the Treaty of Versailles, so that the United States failed to become a member of the League of Nations. This shows that at this time the United States has not yet got rid of the early historical development in its foreign policy and strategy “Isolationism ” influence. And the imprisonment on thinking also affected the building of the military. Shortly after the end of the First World War, the overall military strength of the United States