A Study On The Issue Of Military Towns In Longyou Jiedushi

LongYou region include ShanZhou, KuoZhou, HeZhou, TaoZhou, MingZhou, is Tang Dynasty, TuYuhun, DangXiang, TuBo and other ethnic groups compete for a place.Good natural conditions, the special geographical location, making it the Northwest in the Tang Dynasty military defense systems, is an important role.After Longyoujiedushi settings to AnXi, BeiTing as a base, LongYou-centered,HeXi as the headquarters of the Tang Dynasty was officially formed Northwest military systems. After the fight with TuBo’s, HeLong region is becoming a battleground, to form HeXi, LongYou-centric "Northwest Army ", Tang Dynasty victory achieved in the northwest region, are relying on the role played by the military system.HeLong formed regional military defense is a long process. From the initial XingJun system, to Dudufu system, then Duhufu system, but a series of institutional adjustment still can not meet the gradual deterioration of the border situation, Tuyuhun been eliminated, HeLong become directly bordering region between the Tang Dynasty and TuBo. To maintain border stability, Tang adjusted Northwest defense system. In the case of a foreign war disadvantaged, Tang began to strengthen Northwest army settings. Tang gradually set Hexijiedushi, Longyoujiedushi in HeXi, LongYou region, In order to guard against TuBo. Two Jiedushi complement each other, to stop the development of TuBo in region of Helong. Later, Tang forces in the region reached its peak in HeLong. However, Anshizhiluan happen, HeXi, LongYou troops dispatched GuanZhong, help eliminate rebel forces. The TuBo opportunity occupied HeLong, began a hundred years of rule. Until large middle-aged,With Longyoujiedushi as the main core of the military defense system with HeLong between the Tang border defense system has an important relationship. LongYou’s defense system to establish, develop, change and destruction, reflects the demise of the Tang Dynasty in the region with other nationalities.