There were three post-classical Japan periods. They were the Asuka period, the Nara period, and the Heian period. The Asuka period of Japan lasted from 538-710 A.D. The Nara period lasted from 710-794 A.D. The Heian period lasted from 794 to 1185 A.D. During the post-classical period, the Yamato clan grew in both size and power. At the time, the Yamato clan was by far the most influential clan in Japan. The twelve cap and rank system was made during this time. This system used silk hats decorated with feathers, gold, and silver linings to determine a government official's rank. During this time period, extended families or large clans led by a patriarch. Members of different clans were often of high nobility. The leader of Japan was the emperor,
