Since 1840 Opium War, western powers have been bullying China, the United States, Britain, France, Germany, Italy, Russia and Japan. , forcing China to sign an unequal treaty and cede territory for reparations. Finally, we supported warlords from all over China to take the mountain as the king, and warlords everywhere were in chaos, which caused untold sufferings to the people, including the Japanese war of aggression against China. It was not until the founding of New China that China washed away the shame of the past.