The Yamato conquered all the other clans and formed one centralized authority. The Tumulus period did not end until midway through the Yamato era around 600 C.E. The Yamato command lasted from 400 to 800 C.E. This form of government progressed to an imperial authority. As the Yamato reign started to dwindle the capital was moved to new era in 710. The new era period was the beginning of a new government, ideas and changes (Hauser). Most of Japanese culture during this period was agricultural in nature and centered on villages. In 784, the Fujiwara-Heian period started ...