A Study On The Reasons For The Enclosure And Repatriation Of Proton In The Early Tang Dynasty

Protons, the tang dynasty is an important problem in national relations and foreign relations, they are to strengthen the nation and the economic and cultural exchanges between the level of the tang dynasty, played an important role. Proton is mainly in the early stage of tang dynasty, however, play the role of the military level. It can be seen from the historical records, a large number of protons were sent to the tang dynasty, reached after the tang dynasty is mainly placed on the military service in the system.The early stage of the tang dynasty, especially the emperor taizong, tang period of the emperor, everywhere can see in the tang dynasty army minority protons, these minority protons led its tribal soldiers, active in the early years of the tang dynasty speakers in the war, to the tang dynasty set successfully. However, since the xuanzong spent to repatriate protons back its this phenomenon is becoming more and more frequent, falling number of protons in the army, its military action may be waning, more is to play a role in economy and culture.The policy of the tang dynasty government towards the proton why such major changes before and after; Proton is how to play the role of the military level; Why the tang dynasty government uphold the military role of protons. These problems, ignored by researchers for a long time. Therefore, military action instance, this article tries from the early stage of tang dynasty military system changes, the defense policy transformation and the change of ethnic development, comprehensive analysis of the relevance, to explore the proton charge and back problems.