 Complete the following phrase:  In June 1941, Nazi Germany broke the MolotovRibbentrop Pact and invaded the Soviet Union, Irans northern neighbor. The Soviets quickly allied themselves with the Allied countries and in July and August 1941 the British demanded that the Iranian government expel all Germans from Iran. Reza Shah refused to expel the Germans and on 25 August 1941, the British and Soviets launched a 