Question

In which two ways did the Nazis use imprisoned Jews?

Answer 1

Concentration camps and labor camps. I believe these are the reasons.

Answer 2

Seizing of Jewish private property

The Nazi regime in early 1943 took a shift in the treatment of jews which basically consisted of erasing any civil and human right that one could ever have imagined. In the Ghettos, the German authorities began mass deportations where previously they had seized the properties that remained from the Jewish communities in Europe.

Forced labor work-

They began to establish forced labor camps.  The concentration camps became tortuous places where Jews among other discriminated minorities had to perform hard physical work under inhumane conditions and cruel treatment. Most of these Camps were first set in Eastern Europe.

Interesting is to notice that in mid and late stages of the World War II, many were incorporated into the War effort in the way that eventually they supported the war effort by the mass production of several different goods as portrayed in the famous movie "Schindler's list".