Human rights groups in the 20th century worked to

your answer is c

explanation:

answer; /// i do believe that its napolean's conquest of spain;

d) the constitution rights of native americans and their right to self-government on reservations

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.