2. Jomon Period 14,00BC to 300BC Yayoi Period 400- 300BC Kofun Period AD 250- AD538 Asuka Period AD 538-AD710 Nara Period AD710-AD794 Heian Period AD794-1185 PS: These Periods are before 12 TH Century
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4. Social Structure Emperor, Empress, and their son or daughter. Gentries, shoguns, Official, minister, and lords (samurai). Farmers Artisan Merchant PS: This pattern worked in the most of Asia in the ancient world. Especially in Japan, China, and India