In 1874, Taisuke ITAGAKI, together with Shojiro GOTO, Shinpei ETO, Taneomi SOEJIMA and others, who left the government when it refused to allow an invasion of Korea in the preceding year, founded the Aikokuto Party and submitted a petition to the Council of the Left of the government calling for the establishment of an elected national assembly.
1873年の征韓論政変により下野した板垣退助は1874年、後藤象二郎、江藤新平、副島種臣らと愛国公党を結成、民撰議院設立建白書を政府左院に提出した。