However , the division of postwar Germany had already been pre-agreed by the victorious war leaders and in July 1945 the Americans withdrew : the region became part of the Soviet administered occupation zone .
By that time the region had been taken over by the American army .
The division of postwar Germany had already been pre-agreed by the victorious war leaders and in July 1945 the Americans withdrew : the region became part of the Soviet administered occupation zone .
By that time the region had been taken over by the American army .