Geschichte Holocaust, Jewish (1939-1945) / Poland Israel / Jews / Jewish diaspora / Poland / History / Ethnic relations / 20th century / World War, 1939-1945 / Occupied territories / Nazi German occupation / Atrocities / Holocaust / Rescue efforts / Fighting back / Defense / Conditioning / Attitudes / Identity / Ghettos / Peculiarities Jews / Poland / Attitudes Jews / Poland / Identity Juden Judenverfolgung Judenvernichtung Poland / Ethnic relations Poland / History / Occupation, 1939-1945 Polen Weltkrieg (1939-1945)