前苏联自 1991 年解体以后,美国成为世界上唯一的超级大国,这是不争的事实。那么,历史短暂、远离欧洲大陆的美国何以能在 20 世纪 90 年代成为世界上唯一的超级大国而独强于世呢? 纵观 20 世纪百年历史,概括地说不外乎四个方面原因:美国获利于两次世界大战,借助于两次科学 After the disintegration of the former Soviet Union in 1991, the United States became the only superpower in the world. This is an indisputable fact. Then, how could the United States, which was short-lived and far away from the European continent, become the only superpower in the world in the 1990s and become stronger in the world? Looking back at the history of the 20th century, there are no more than four reasons: the United States. Profited from two world wars, with the help of two sciences