Research On Historical Military Geography Of Hedong Province In The Northern Song Dynasty

The loss of the Sixteen state in the Five Dynasties,the northwest field became the border in the Northern Song Dynasty,is an important guard to the capital.The HeDong road is the transition zone of North China Plain to the Loess Plateau communication in geography,also an important cohesive domain connecting Shaanxi and Hebei.When the Northern Song Dynasty set up and adjusted,it was based on the regional economic development and combined political situation.The army level of the state are concentrated in the western and northern border areas,relying on the border region to build a stable national defense line.Because of the special geographical conditions,Hedong road traffic syestem becoma a network on the foundation of Taiyuan,in the Qin and the Han Dynasties.During the Northern Song Dynasty,the promotion of the military status of Hedong road also promoted the further development in the area and the new changes took place.Because of the north facing military threat,the north road traffic using improved degree.Due to continued harassment of the Xixia,three state has become an important barrier the Hedong Road.Hedong road,mainly in the eastern part of Jingxing,Taihang pass and Foukouxing.In the war time,the road to become an important way to connect Kaifeng.Because of the political center of the Northern Song Dynasty moved to the Kaifeng,Southwest of Hedong Road the importance of traffic are dclined than other Dynasty..