uwu785 uwu785 09-10-2020 History contestada HHHHHHEEEEEEEEEEEEEEEEELLLLLLLLLLLLPPPPPPPPPPPPPPPP MEEEEE PPPPPLLLLLLLLLLLLLLZZZZZZZZZZZ What was the effect of Japanese imperialism on the development of nationalism in the early 1900s? Imperialism caused the Japanese to lose interest in nationalism as they explored other parts of the world. Imperialism brought other cultures to the Japanese and nationalism waned. Nationalism developed very slowly. Nationalism became an important part of Japanese culture.