What was the biggest challenge in foreign policy facing us presidents in the 1990s? . a. the fall of soviet communism. b. the rise of unilateralism. c. the terrorist attacks on the united states. d. the development of china's military

hi there!

c is your answer

~courtney

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.