American Civil War, 1861-1865; Armed Forces; Courts-martial and courts of inquiry; War casualties; Cane Hill, Battle of, Cane Hill, Ark., 1862; Prairie Grove, Battle of, Ark., 1862; Helena, Battle of, Helena, Ark., 1863; Jenkins' Ferry, Battle of, Ark., 1864; Poison Spring, Battle of, Ark., 1864; Battles; Arkansas; American Civil War, 1861-1865; Missouri; American Civil War, 1861-1865; Mississippi River; Missouri; Politics and government