The Allies demanded that Stalin withdraw the Red Army from northern Iran. He initially refused, leading to an international crisis in 1946, but one year later Stalin finally relented and moved the Soviet troops out. Stalin also tried to maximise Soviet influence on the world stage, unsuccessfully pushing for Libya—recently liberated from Italian occupation—to become a Soviet protectorate. He sent Molotov as his representative to San Francisco to take part in negotiations to form the United Nations, insisting that the Soviets have a place on the Security Council. In April 1949, the Western powers established the North Atlantic Treaty Organisation (NATO), an international military alliance of capitalist countries. Within Western countries, Stalin was increasingly portrayed as the "most evil dictator alive" and compared to Hitler.