Q: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
He displaced one of his rivals by giving the Kanto domain to them, which precipitated that family's move away from the Chubu region. This man redefined class relationships based on kokudaka, or amount of agricultral production. He became so enraged at his nephew Hidetsugu that he killed thirty of Hidetsugu's female relatives, and he failed to get past Korea in an attempt to conquer China. In order to enforce an order that allowed only samurai to bear arms, this man started the Great Sword Hunt. For 10 points, name this successor of Oda Nobunaga who unified Japan before being succeeded by the namesake of a shogunate, Tokugawa Ieyasu.
A:
History