Yayoi Culture (ca. 300 B.C.–300 A.D.) – The Metropolitan Museum of Art https://www.metmuseum.org/essays/yayoi-culture-ca-4th-century-b-c-3rd-century-a-d
Over time, the Yayoi people grouped themselves into clan-nations, which by the first century numbered more than a hundred.
its development was the technique of wet-rice cultivation, which is thought to have