The late Han Dynasty illuminated the Tang Dynasty

As the poem of grief and indignation written by Cai Kui said: the native people are fragile, and all the soldiers are Hu Qiang. The hunting field besieged the city, and all the things to Zhe were destroyed. Cut off no relics, the remains support each other. The horse hangs the man's head, and the horse carries the woman. Long drive to the west to enter the customs, the road is dangerous and blocked. " Although Zhongxing in the Eastern Han Dynasty, the rule in Hetao became weaker and weaker, the Northern Xiongnu was destroyed, Xianbei was revived, and the people on the border of Kansai were shrouded in war all the year round. By the end of the Han Dynasty, the external Hu people were restless and full of internal contradictions, and the malpractices of the dynasty had been accumulated for a long time and needed to be saved since the new dynasty. History has proved to the public that the Wei and Jin dynasties could not afford such a great task. In the chaotic frontier fortress, a young man in the border town h