 Poles and ethnic Jews were imprisoned in nearly every camp of the extensive concentration camp system in German-occupied Poland and the Reich.In Auschwitz, which began operating on 14 June 1940, 1.1 million people perished.In the summer of 1940, fear of the Soviet Union, in conjunction with German support for the territorial demands of Romania's neighbours and the Romanian government's own miscalculations, resulted in more territorial losses for Romania.