Most Likely, What Was the Main Reason for the Jewish

Multiple Choice

Most likely, what was the main reason for the Jewish migration out of Hungary, Germany, and Crimea?

A) Russia and Poland had much more tolerant policies towards minorities and immigrants.
B) Ghettos and pogroms were established in places where Jews were forced to live.
C) Access to Eastern Europe became easier with the expansion of the railroads.
D) The crusades had a distinct impact upon Jewish settlements in Eastern Europe.