Additionally, to warn and to conciliate Kido who resigned from the post of councilor, Itagaki who was leading Jiyu Minken Undo (the Movement for Liberty and People's Right) and their sympathizers, Okubo held the Osaka Conference to proclaim the imperial edict on the constitutional system of government.
加えて、下野した木戸や自由民権運動を率いている板垣らを牽制、懐柔するため、に大阪会議を開催し、立憲政体の詔書を発布した。