Bantu introduced several crops while migrating across Africa, yams, sorghum and millet.
The Vietnam war should be the right answer
Having a large ocean on each side of the country made early Americans consider isolationist policies in regards to their relations with other nations. The oceans have served as a natural defense against others for centuries.
Other clans resented the Fujiwaras and clan leaders built their own armies and fought against the Fujiwaras with their clans.
