Tang Dynasty From The Gloom And Doom Because New Exploration

In the period of Emperor Xuanzong of Tang Dynasty, the society had got his most posperity. but behind the posperity, the danger of society had coming. This period also means the the turning point of tang dynasty, along. with the great changes of systems, like The decline of Land equalization system,Zu-yong-diao system,the system of prefectural military command, and The defects of Imperial Civil Examination System and SanShengLiuBu system. why these changes Happens in this period? the resons behind the truth is what we saught . Basedn this situation, Seholars have made a lot of researches, this paper have done some jobs on these researches, and put the systems of the dynasty on the background of the tang society, and found that ,the decomposes of these systems is linked to the Internal contradictions of bureaucratic and authoritarian system , and this is the true reasons of the decline of these systems . and the tang's posperity have become downing is just the his own contradiction of the erpire cociety , and it is the the inevitable.