Introduction to the political stage of the Anti-Japanese National United Front: During the eight years of the Anti-Japanese War, Chongqing was not only the seat of the National Government, but also an important political stage for the Anti-Japanese National United Front. After the National Government moved to Chongqing, the Sixth Plenary Session of the Sixth Central Committee of the Communist Party of China decided to establish the Southern Bureau in Chongqing to "conduct united front work to the Kuomintang and other parties on behalf of the central government, and to guide the work of the provincial parties in the south and rear areas."