What problems threaten the lives of ghetto residents according to avraham levin

When the Poland was conquered by the Nazis, it became possible for the Jews to be exiled, but still keep within the German sphere of influence.  They were able to come up with an idea that transformed to a policy where Jews where enclosed in restricted ghettos, and mass death was the only possible result.

answer; ///i do believe that the correct answer for the above is ( which states would be free and which states would have check first good