Presidency of Ulysses S. Grant ordered Sheridan to round up the Sioux and put them on the reservation. Sheridan used a strategy of convergence, using Army columns to force the Sioux onto the reservation. On June 25, 1876, one of these columns, led by Colonel George A. Custer met the Sioux at the Battle of Little Big Horn and part of his command was slaughtered. Approximately 253 federal soldiers and civilians were killed compared to 40 Indians. Custer's death and the Battle of Little Big Horn shocked the nation. Sheridan avenged Custer, pacified the northern Plains, and put the defeated Sioux on the reservation. On
Boston Custer ("Tom"), became military officers in the Union Army during the American Civil War. Boston had been unable to officially join the Army due to poor health. A civilian contractor, Custer served as forage master for his brother George's U.S. 7th Cavalry Regiment in the 1874 Black Hills expedition. He was employed as a guide, forager, packer and scout for the regiment for the 1876 expedition against the Lakota Indians. On June 25, 1876, along with his 18-year-old nephew Henry Armstrong "Autie" Reed, Custer was with the pack train at the rear of Lt. Col. George Custer's troops. Hearing from a