蒙元统一中国后,十分重视对边疆地区的统治和经营。在蒙元统治者看来,包括云南行省和湖广行省南部在内的西南边疆地区,不仅是提供赋税物资的来源,也是进攻邻邦的基地和扩大与外界联系的门户;蒙元统治者的战略目标是统一整个文明世界,在某种程度上,他们并不把包括贵州、广西与海南地区在内的西南边疆看作是最终确定的疆界。在以 After the unification of China, the Mongolian Yuan attaches great importance to the rule and operation of the border areas. In the view of the Mongol rulers, the southwestern frontier areas, including Yunnan Province and the southern part of Hubei-Guangzhou, are not only a source of taxed supplies but also a base for attacking neighboring countries and a gateway for expanding contacts with the outside world. The Mongolian rulers The strategic goal is to unify the entire civilized world. To a certain extent, they do not regard the southwestern frontier including Guizhou, Guangxi and Hainan as the finalized boundary. In