While the center of politics moved to the eastern Japan, where seii taishogun (literally, "great general who subdues the barbarians") established the Bakufu for management of national politics, a large number of new schools of Buddhism were created in this period and the extension of their influence increased the number of literate population.
政治の中心は、征夷大将軍たちが執政のため幕府を置いた東日本へと移るが、この時期には仏教の新宗派が数多く興り、その勢力の拡大は識字人口を増やすこととなった。