The Confederacy Enlisted Slaves into Their Army as Fighting Soldiers

The Confederacy enlisted slaves into their army as fighting soldiers

A) only a month before the war ended.
B) at the beginning of the war.
C) as a response to the Emancipation Proclamation.
D) in lieu of forcing tens of thousands of slaves into involuntary labor which included building fortifications and supplying armies.
E) in recognition that the idea of slavery was wrong.