Thats a pretty logical question. they took over Poland. and they had more than one camps in different areas, and they wanted to kill off the Jews because Hitler blamed the Jews for German losing WWI. so the camps were to put the Jews in labor and kill them, do some research you'll find the answer.
<span>The meaning of life: the condition that distinguishes animals and plants from inorganic matter, including the capacity for growth, reproduction, functional activity, and continual change preceding death.</span>