In 1920 Lenin called on the Communist International to open a second front against the imperialist powers by fighting alongside nationalist and peasant movements in the colonies. Eighteen months later, leaders of fledgling East Asian communist parties and other revolutionaries gathered in Moscow to plan the way forward. The Congress of the Toilers of the Far East profoundly influenced the strategy of Communist Parties throughout the colonial world. But alliances with other parties were fragile and risky. East Asian Communist Parties suffered serious defeats in the years following the Congress...