蒙古独立问题前后经历约半个世纪 ,其外部原因与沙俄、苏俄、苏联的扩张主义 ,二战结束前美国的大国主义及蒋介石政府的集团利益驱动是分不开的。它是大国政治交易的结果 ,是苏美强权政治的产物 About half a century has passed since the independence issue in Mongolia. Its external causes are inseparable from the expansionism of Russia, Russia and Russia, the expansionism of the Soviet Union before the end of World War II, and the interest motive of the big powers of the United States and the Chiang Kai-shek government. It is the result of the political trading of the great powers and the product of the power politics in the Soviet Union and the United States