American Civil War, 1861-1865; Armed Forces; Corinth, Battle of, Corinth, Miss., 1862; Vicksburg (Miss.)--History--Siege, 1863; Battles; Champion Hill, Battle of, Miss., 1863; Mississippi; American Civil War, 1861-1865; Tennessee; American Civil War, 1861-1865; Louisiana; American Civil War, 1861-1865