The Comintern made first contact with Japanese revolutionaries in 1920.
The JCP had financial ties with both the Comintern,[2] and the Soviet government.
[3] The Soviet Union solicited working-class Japanese to study at the Communist University of the Toilers of the East (KUTV),[4] known as "Kutobe" by the Japanese.
[5] Many Japanese activists who resided in the Soviet Union became victims of Stalin's Great Purge.
[6] The relationship between the JCP and the Soviet Union deteriorated by the 1960s, when Pro‐Chinese members became the majority of the party.