Ashkenazi and Sephadic so called Jews started it
Putting racist Jews who they could not expel into concentration camps was self defense
Some Jews were not put in the camps because they had sufficiently proven good behavior and were even allowed to use synagogues
Some children were put in the camps simply to keep them from being separated from their parents
Jews taught racial hatred against gentiles before Hitler existed
https://www.myjewishlearning.com/article/israel-and-anti-gentile-traditions/
Israel and Anti-Gentile Traditions