There were conflicts between the "Minto" (People's Party) representing the Jiyuto (Liberal Party) in Meiji period and the Rikken Kaishinto supporting the Freedom and People's Rights Movement, and the "Rito" (Bureaucrats' Party) representing the Kokumin Kyokai after the constitution of the Imperial Diet opposed it.
帝国議会設置以来、衆議院では、自由党_(明治)・立憲改進党に代表される自由民権運動を継承する民党とこれに反対する国民協会に代表される温和派（吏党）が対立を続けてきた。