After the war, Japan was placed under control of General Headquarters (GHQ), and enacted the Constitution of Japan based upon the national system with Emperor as a symbol of the unity of the people, on popular sovereignty and on pacifism.
戦後は連合国軍最高司令官総司令部(GHQ)の占領下に置かれ、象徴天皇制、国民主権、平和主義などに基づく日本国憲法を新たに制定した。