 He played an influential part in the US decision to become involved in the Korean War, and in Japan's postwar compensation for victorious countries, such as the Rusk documents.Rusk was a cautious diplomat and always sought international support.When the question arose as to whether the United States should support France in maintaining control over Indochina against the Communist Viet Minh guerrillas, Rusk argued for support to the French government, stating that the Viet Minh were just the instruments of Soviet expansionism in Asia and to refuse to support the French would amount to appeasement.