Question

Prior to the establishment of the ghettos, what regulations were put into place to reduce Jewish rights?

Answer 1

The Nuremberg Laws and confining them to camps. ( not very sure but i think this is it )

Answer 2

During World War Two, or during Hitler's power, The Nuremberg Laws were set to keep Jewish people from doing activities that the Aryan Race (White Germans) were doing.
Let me know if you don't understand!