Which of lenin's agencies spread communsim to other nations?

Lenin's primary agency for spreading communism to other nations was the Comintern, or the Communist International, established in 1919. Its goal was to promote worldwide communist revolution and support socialist parties across the globe. Through the Comintern, Lenin sought to coordinate efforts among various communist movements, providing ideological guidance and material support to help them achieve power. Additionally, the Red Army was involved in bolstering revolutionary movements in various countries during and after the Russian Civil War.