After Hideyoshi's death, Ieyasu TOKUGAWA won the Battle of Sekigahara, carried out the change of daimyo's territories autocratically, subverted the Toyotomi clan in Osaka no Eki (the Siege of Osaka) and made all daimyo acknowledge and confirm that the Tokugawa clan became the virtual ruler of Japan.
秀吉没後、徳川家康は関ヶ原の戦いに勝利して、諸大名の有無を言わさず配置換えを行い、大坂の役で豊臣氏を滅ぼし、徳川氏一統が日本の実質的支配者とすることを諸大名に徹底確認させた。