Okuma appealed for cooperation in the Choshu Domain and mediation between the Edo bakufu (Japanese feudal government headed by a shogun) and Choshu Domain, but he could not influence Saga Domain politics.
大隈は、長州藩への協力および江戸幕府と長州藩の調停の斡旋を説いたが、藩政に影響するには至らなかった。