试论西夏分立的地缘条件

在对西夏所处的时代特点和空间环境进行考查之后，文章提出了西县长期分立的三大地缘条件。第一，自唐至宋，中国西部两个最强大的少数民族力量─—回纥（回鹘）和吐蕃的衰落为西夏扩张立国提供了“舞台”；第二，两宋时代的三个政治地理特征，即长城体系被夏、辽、金所打破、中国经济重心及伴随的文化和政治中心的南移、河西走廊被西夏占据，有利于西夏的分立；第三，西夏疆土广袤、袤，含有西部发达的农牧区，边界地文特征显著，易守难攻。这种国土条件时其延柞发挥了潜在的、巨大的作用。

A Study on the Geopolitics of Xixia

Based on the studies of age features and spacial conditions,the paper concludes three geopo- litical advantages that Xixia could exist about 200 years. They are as follows: First, it was two former strongest strengths' (Huihe or Huihu and Tobo)declination from Tang dynasty to Song dynasty that provided space for Xixia to expand. Second, there are three geopolitical features in Song dynasty, that is, the Great Wall system broken by Xixia, Liao and Jin; Chinese economic, cultural and political center moving southward; Hexi corridor occupied by Xixia. These are helpful to Xixia's existence. Third, Xixia was in a large region and it contained the developed farming and animal husbandry area. Its boundaries had evident features of physiography. All these done vast and Potential good to Xixia.