Answer: Initially, the North went to war with the South because of slavery. The South, whose economic backbone was agriculture, used only slave labor in its enterprise.
The Republican party had run on an anti-slavery platform, and many southerners ... Immediately following the attack, four more states -- Virginia, Arkansas, North ... the war was not about slavery or black rights; it was a war to preserve the Union. ... to provide them with confiscated land, there was not enough to go around