What was the purpose of Hitler's concentration camps?

Nazi concentration camps served three main purposes: To incarcerate people whom the Nazi regime perceived to be a security threat. These people were incarcerated for indefinite amounts of time. To eliminate individuals and small, targeted groups of individuals by murder, away from the public and judicial review.

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what started the norman conquest?

profound political, administrative, and social changes in the british isles. last line of my information: )