The rise of political machines in the late 19th century depended on: A. the political organization of labor unions and Granges.
B. the emphasis on populist ethics in the Social Gospel movement.
c. the ability of party bosses to reward supporters.
D. the influence of social Darwinism on the populace

the imphasis on populist ethics in the social Gospel movement

make law

explanation:

the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.