How were confederates using slaves in the civil war?

Some 100,000 former Black slaves became Union soldiers during the US Civil War to help the Union end the Southern rebellion They got payed less than white Union soldiers in the battle.

Near the very end of the war, the South used slaves as soldiers. Prior to that, Southern slaves worked on farmlands and plantations in the South. They also served in the Confederate army as "helpers" to the army. They acted as carriers of supplies and ammunition.