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1933: The first concentration camp(Dachau) opened.

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1938:Jew had to carry id cards marking them as non-citizens.

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1938: Jewish children were removed from schools.

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1939: Jews had to follow curfews, give their radios to police, and they were required to wear yellow stars.

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1940: Nazis began deporting German Jews to poland, and began to put Jews into ghettos and then concentration camps throughout Europe.

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1941: Jews could not leave their houses or public telephones.

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1942: Jew were forbidden to subscribe to newspapers.

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1942: The Nazis talked openly about the,"Final Solution", The plan to kill all the European Jews.

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1943: By the end of the year, 80% of the Jews who would die in the Holocaust had been killed.

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We could get everyone from Hitler and tell them if the jews did it how did the do it what proof do they have?

my second reason is how did they and what did they do to have 80% of their population being killed.