Glory Hallelujah! the American Civil War 1861-1865 supplement for Black Powder. The epic battles fought during the American Civil War proved beyond all doubt that war can be all hell. This supplement for Black Powder describes the history, armies, key leaders, doctrine and tactics of the American Civil War, and includes a comprehensive set of army lists and optional rules for recreating the battles of that war in miniature. A copy of the Black Powder rulebook is required to use this supplement.