However, when Taisuke ITAGAKI and others, who resigned from the post of Sangi (councilor) after the political change of Seikanron (debate about the subjugation of Korea), started the Jiyuminken Undo (the Freedom and People's Rights Movement), that movement developed gradually into a movement by the people to establish the Diet, and the government promulgated the Constitution of the Empire of Japan and established the Diet and the cabinet system.
しかし征韓論政変によって参議から下野した板垣退助らが自由民権運動を開始し、それが次第に議会開設の国民運動として発展すると、政府は大日本帝国憲法を発布し、議会と内閣制度を発足させた。