Life in the Jewish Ghettos

Where does the term Ghetto originate and who lived in them then?

Why isolate the Jews into Ghettos, at least to the Nazi's?

How many Jews lived in the two largest Polish cities: Warsaw and Krakow on the even of WW2?

When were the Jews forced into the two Ghettos? How big were they and how many people lived in them?

What are the 3 types of ghettos?

Jews couldn't bring much into the Ghetto, How did many survive without jobs or money? How important was smuggling?

What was the food, medicine, housing, and sanitation like?

In Krakow, Warsaw, etc. resistance was attempted from small movements to large movements. How did they do this and were they successful?

The Ghettos served a purpose until 1942, what was the Wannsse Conference?