people who were against slavery in the 1700's,1800's and i think early and part of the late 1900's
John Brown led raids with abolionists to revlot against salvery. He was a major influnece in the Civil War time, because he used violence to tell how made he was about slavery. John Brown was not an influence at all in the Civil War.
The two sides each had a completely different set of strengths and weaknesses. At first, they were evenly matched. After the historic July 4th 1863 (good news from Vicksburg and Gettysburg on the same day), everything swung the Union's way - assuming that the Northern public was not getting too war-weary to vote Lincoln back in.