what are nazi concentration camps?

The first Nazi Concentration camps were rapidly raised in Germany in February 1933 immediately after Hitler became Chancellor and his NSDAP(National Socialist German Workers' Party was given control over the police through Reich internal Minister Wilhelm Frick and Prussian Acting Interior Minister Hermann gòring.

Adolf Hitler was born in April 20, 1889 and died in April 30, 1945. Hitler was the leader of the Nazi parties in Germany.He was chancellor of Germany from 1933 to 1945 and dictator of Nazi Germany. He was against many Jews because he blamed them for the drought of money.