The Formation of Writing Styles in Legends of the Western Region during the Western and Eastern Han Dynasties

From the Shang Dynasty to the Eastern Han Dynasty,China's western border population was gradually westward trend.Western Han Dynasty,Han migrants have reached the limit and can survive the ecological control of the executive power of the Han regime limits.However,in order to resist the pressure of the Huns from the north,Han tried breaking the boundaries of this objective.In this,driven by political factors,the Han Dynasty has developed a unique historical memory,and with the Western Regions approach has been inherited by successive central dynasty,maintain and consolidate the unity of and Central Plains.