When did the cilvil war start and when did it end

The war began when the Confederates bombarded Union soldiers at Fort Sumter, South Carolina on April 12, 1861. The war ended in Spring, 1865.

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.

definitely a for sure. ill see and update if i get the answer