 While ethnic Poles were subject to selective persecution, all ethnic Jews were targeted by the Reich.In the winter of 1939–40, about 100,000 Jews were thus deported to Poland.They were initially gathered into massive urban ghettos, such as the 380,000 held in the Warsaw Ghetto, where large numbers died of starvation and diseases under its harsh conditions, including 43,000 in the Warsaw Ghetto alone.