Answer:
A. Ghettos, Concentration Camps, Extermination Camps
Explanation:
The Jews were relegated to ghettos in Germany during World War II, one of which was the Warsaw Ghetto, and they were later moved to concentration camps and subsequently extermination camps where old, very young and unproductive jews were killed during the holocaust.
The major concentration camps are: Auschwitz, Belzec, Chelmno, Majdanek, Sobibor, and Treblinka
