sentences:  Germany used thousands of slave laborers on Usedom during World War II.In 1945 the eastern part of the island, together with the city and port of Swinemünde (now Świnoujście), was assigned to Poland under border changes promulgated at the Potsdam Conference, and the surviving German inhabitants of the town were expelled to the west.The territory was repopulated with Poles, most of whom had been expelled by the Soviets from what had been eastern Poland.