What mistake by Colonel George Custer led to his defeat by chiefs Sitting Bull and Crazy Horse at the Battle of Little Big Horn? (1 point) Responses Custer and his force arrived after the main U.S. force. Custer and his force arrived after the main U.S. force. Custer and his force were unprepared for the Sioux attack. Custer and his force were unprepared for the Sioux attack. Custer and his force arrived ahead of the main U.S. force.
