When did lincoln declare that there was an insurrection in the south? a. when the south first seized federal forts within its borders b. when south carolina forced the surrender of fort sumter c. when seven states seceded from the union d. when jefferson davis was chosen as confederate president

B: When South Carolina forced the surrender of Fort Sumter

Explanation:

what are local authorities doing to fix the problem

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.