The correct answer is Germany.
Jewish ghettos were located in Germany during World War 2 and before it as well. During the war itself, they were being deported to concentration camps and other places which we now commonly refer to as the holocaust, where a few million people have died in concentration camps due to different reasons.
W.E.B. Du Bis was (he was born in 1868, couldn't possibly be alive today) an American sociologist, historian, author, editor and civil rights activist who was one of the leaders of Harlem Renaissance.
