After standing neutral during the Battle of Shizugatake in 1583, in which Hideyoshi HASHIBA defeated Katsuie SHIBATA, the Mori clan turned its wait and see attitude and obeyed Hideyoshi.
天正11年（1583年）の賤ヶ岳の戦いでは中立を保ったが、この戦いで羽柴秀吉が柴田勝家を破ると、毛利氏は日和見路線を捨て、秀吉に従属した。