The south won every major civil war battle until a)the battle of antietam. b)the battle of chancellorsville. c)the second battle of bull run. d)the first battle of bull run.

The South won every major Civil War battle until the Second Battle of Bull Run. Although it should be noted that they lost Stonewall Jackson at Chancellorsville, which was a major blow to moral.

Battle of Antietam was when the Union won.