 In 1837, the army ordered Emerson to Jefferson Barracks Military Post, south of St. Louis, Missouri.Emerson left Scott and his wife at Fort Snelling, where he leased their services out for profit.By hiring Scott out in a free state, Emerson was effectively bringing the institution of slavery into a free state, which was a direct violation of the Missouri Compromise, the Northwest Ordinance, and the Wisconsin Enabling Act.