The Nazis used mobilized killing units called Einsatzgruppen
Auschwitz was a large complex of concentration camps located in Poland
The Nazis killed about 1,000,000 people at Auschwitz.
Located in southern Poland, Auschwitz was originally a concentration camp for political prisoners. It turned out, however, that it had become a network of camps where Jews and others thought to be enemies of the Nazi regime were exterminated, often in gas chambers, or used as slaves.
The Einsatzgruppen were the Schutzstaffel guerrillas of Nazi Germany who were guilty of mass murder, especially by shooting, during World War II (1939-1945) in Europe invaded Germany.
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