The Southwest Border Defense Of The Tang Dynasty Under The Relationship Between Tang And Nanzhao

The rise of Nanzhao in Southwest,originated from the Tubo and Tang Dynasty in the Southwest race.As the southwest border pressure,Tang was interested in supporting a minority that has the ability to help defend themselves against Tubo forces,when Nanzhao princes would like to take this opportunity to develop,becoming in Southwest minority nationalities' political power can not be ignored.Nanzhao's rise from the end of Emperor Kai Yuan to Zhengmaisi stealed is 164 years,is in the southwest of the main objects of the Tang Dynasty.When it comes to both wartime and,to the southwest border of Tang Dynasty brought many unstable factors.In this paper,and the relationship between Tang Dynasty and Nanzhao for clues through the causes of the outbreak of the war,process and results and other factors to analyze the Tang Dynasty,the entire Southwest border disposal and changes in law.Based on the above analysis,the early Tang dynasty,by Tang Dynasty to the enlistment of ethnic minorities in Southwest China and Jimi,initially forming a border shape on the border of the Tang Dynasty.To the Xuanzong period and even more perfect southwest border system,but because of the Nanzhao Kingdom in Yunnan and the surrounding area occupied,the southwestern border of Tang Dynasty construction did not achieve the desired results.Meanwhile,the Nanzhao and relationship and bring new issues to the southwest of the Tang Dynasty,and Tang Dynasty in the Southwest during the war,will actively adjust the border strategy;in times of peace,Tang Ting the negative side of things,Nanzhao had opportunity.Nanzhao was launched on the southwestern frontier of the Tang Dynasty in such a chance,and therefore,and time when the relationship between Tang and Danzhao.Tang dynasty and Nanzhao relationships are a lot of reasons,because of the strength of the southwest border of the Tang Dynasty.Weakness most border of Nanzhao in the Tang Dynasty,when a fatal blow in the Tang Dynasty,to maximize the benefits from Nanzhao to the southwest of the Tang Dynasty war preparations and successes can be seen.Infestation of Nanzhao in Southwest,to the considerable pressure on the border of the Tang Dynasty,decades of war gradually consuming power of the Tang Dynasty,indirectly caused by the uprising of the late Tang Dynasty,and accelerated the demise of the Tang Dynasty.