The Stage Characteristics of the Evolution of Liao and Xixia Relation
To a certain extent,the Liao-xia relations were influenced by the evolution of the political pat-tern in northern China in the 10th to 13th century,and the evolution of Liao-xia relations had obvious stage characteristics.During the period of Emperor Shengzong,Liao was the dominant and Xia was subor-dinate,and the Liao Dynasty firmly occupied the dominant position.During the reign of Emperor Daozong and Emperor Tianzuo,Xixia and Liao were in harmony and cooperated to fight against Jin.Especially at the end of Liao Dynasty,Xixia turned against the host and took the absolute initiative in the relationship between Liao and Xixia.