This battle was significant because it opened up the Columbia and Tennessee Rivers to the Union Army. What battle was it?

A. Battle of Franklin
B. Battle of Ft. Donelson
C. Battle of Nashville
D. Battle of Stones River

The correct answer is B- The Battle of Ft. Donelson

Explanation: The battle was fought from February 11-16 1862. In the battle Union forces were able to capture the fort near the Kentucky- Tennessee border which opened up the Cumberland River, eventually providing a clear path for the invasion of the south.  

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.

the commander in chief