6 facts about the great migration in economy in new york 1916-1940

I got 3 ... 1. they were driven from their home by unsatisfactory economic opportunities and segregation laws. 2. the jim crow laws took effect 3. after ww1 broke out in Europe in 1914, industrialized urban areas in the North, Midwest and West faced a shortage of industrial laborers, as the war put an end to the steady tide of European immigration to the United States.