Ieyasu's political goal was assumed to establish a long-term and firm government led by the Tokugawa clan, therefore, he was said to have begun to think how he could make the Toyotomi Family, which kept a lord-like position to the Tokugawa Family and an exceptional existence in the hierarchy of the bakufu, obey the Tokugawa clan or punish them if they would not obey him.
家康の政治目標は徳川氏を頂点とした長期的かつ安定した政権をつくることであったとされ、徳川家の主君筋に当たり幕府のヒエラルキー社会では別格的存在となる豊臣家に対し、服属させるか、それが拒絶された場合には処分する事を考え始めたという。