He used diplomacy arranging marriage between Oichi no kata, Nobunaga ODA's younger sister by the same mother (there are various different theories about it), and Nagamasa ASAI (there is a theory that it was Hideyoshi TOYOTOMI who arranged the marriage), and gathered supportive power such as Oda, Asai, and Asakura in order to oppose Matsunaga and Miyoshi clans who assassinated Yoshiteru.
織田信長の同母妹（諸説あり）お市の方と浅井長政の婚礼成立に周旋する（周旋したのは豊臣秀吉という説もある）など、外交を駆使し織田・浅井・朝倉ほかの支持勢力を糾合して義輝を暗殺した松永・三好氏に対抗した。