Ethnic Homology and China Identity Effect of Division-Unification Law in Ancient China

In the thousands of years development and evolution ancient China, sometimes it split, unified, but after each division, there would be greater unification, which is law division unification in Chinese history. Why does this come into being? The study found that are two fundamental reasons: one all major ethnic groups China have common blood origin. Second, based on same root homology, complex identity effect were formed. analysis a large number prehistoric myths legends Zhuang, Yao, Hun, Xianbei many other groups, as well rich historical documents Central Plains Empire, shows had appeared history consanguinity cultural homology with Plains, was regarded core area orthodox culture. Just because limitation conditions, inconvenient for them to communicate Plains. As time goes on, sides did not understand enough level different, gradually widened gap.