During the Holocaust in 1945, there were Kautos which got burned and besides that there were also mass murders about 6 million people died more like european jews were murdered. Mass kilings occured at the concentration camps which were in poland.
Most importantly Adolf Hitler was involved the most because he was a Nazi leader during The Third Reich this created tension between other countries. The were more wars with Hitler involved than any other leader
Here's the list of rules the nazi government imposed :
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