perturbation is an important aspect
Xianbei and is same, also be a xiongnu ancient tribes have since ancient times. The theatre of its earliest history, the name is DongHu HouHanShu “say it because in coach bags hsiungnu east of DongHu” and “the name, at a time when there were also a powerful tribe, the chapter” says its “and the Hungary and cheng”, shiji “creative both stand, nobody DongHu strong”. Creative shan-yu this hsiungnu history key heroes finally appears, make the unity of xiongnu department YuDongHu, thereby rise early in DongHu before. This gens and han also have negotiation and conflict, the warring states when open was great qin yan will break DongHu, shiji says he “attacks broken DongHu, DongHu coach outlet but more than 1000 visible at that time, DongHu also belong to han border suffer from. Just at that time this tribe has not unified, strength has failed to effectively integrate, donated their degree unlikeness hsiungnu strongly just. When qin, zhao, yan three kingdoms built the Great Wall, mainly is the north east precautionary hsiungnu, actually prevent HuJin perturbation is an important aspect.