Research On The Change Of Taiyuan Strategic Status In The End Of Dynasty Sui And Early Dynasty Tang

It was a great era in the end of dynasty Sui and early dynasty Tang.Taiyuan had achieved its glorious history and became the age to evolve in miniature,owning to the special geography environment and strategic status.On the one hand,Taiyuan located the special geography position of surroundings many passes,controlled lots of strategic towns,being continuously contended by militarists since ancient times.On the other hand,it lied in the boundary of agricultural and nomadic civilization,which promoted the integration and communication between different ethnicities in the collision of fierce battles.Due to the important military position,Taiyuan's strategic status transformed from the castle that resisted the Turks aggression into the center of economy communication and trade spot.The transformation of Taiyuan was closely linked the national power in that period.The Yang Liang mutiny did not have a great influence on the stable social situation in the emperor Yang of dynasty Sui period.However,the emperor Yang's repression which was harshly and widely to hundreds of thousands soldiers who joined the uprising,drove the local forces of Bing prefecture,where became the turmoil point due to the heavy corvee and the large-scale conscription,to resist the nation.The Turks went down the south and abruptly aggravated the situation of Bing prefecture.After encircled the YanMen,the relationship between the Turks and dynasty Sui had already been thoroughly broken.The Turks straightly reached Taiyuan without the protection of YanMen.So the emperor of dynasty Sui appointed Li Yuan as the top chief in Taiyuan to strengthen and took precautions against attack,but provided a chance for Li Tang's establishment.The Taiyuan uprising ignited that Li Yuan fought for the throne in the late dynasty Sui.Li Yuan made the best use of beneficial situations of Taiyuan which was easy to defend yet hard to attack,befriended the elitists inside,and bribed the Turks outside.Li Tang's dynasty establishment and powerful force broke the balance of situation that the Turks supported to separate China.The Turks Firstly suggested Liu Wuzhou aggressing Taiyuan,and continued to directly launch troops to interfere.The situation of Taiyuan was sharply urgent which was regarded as the footstone of dynasty Tang.Li Yuan designated the chief minister to strengthen military power in order to relieve the pressure of Taiyuan,with Yan Men and Ma Yi recaptured,the defense line of He Dong region moving towards north,which was important to regain and steady the social order of Bing prefecture.The opportunity of counterattack the Turks was coming in the emperor Li-shimin of dynasty Tang period.Tang taizong took full advantage of the internal contradictory of the Turks and the natural calamity in prairie to combine anti-Turks troops to defeat it.The international position of dynasty Tang was unprecedented to rise so as to alleviate the northern military pressure.When the North got into peaceful ages,Taiyuan convenience transportation was the vital pivot point between China and northern grassland nomadic tribes,which would return to the trade town of the grassland Silk Road,and made it become the center of commerce and culture exchange among dynasty Tang,the Turks and Uighur and so forth.