A leader of the 1846 bloc demanding the "reannexation" of all the Oregon country south of latitude 54 40' N, he also served as Buchanan's secretary of state, but resigned when the president refused to take a firmer stance against the Southern secession.  
Responsible for highways linking Chicago, Saginaw, and Port Huron to Detroit, this 1813-1831 Michigan Territory Governor served as Jackson's secretary of war and directed the Black Hawk and Seminole Wars. A leader of the 1846 bloc demanding the "reannexation" of all the Oregon country south of latitude 54 40' N, he also served as Buchanan's secretary of state, but resigned when the president refused to take a firmer stance against the Southern secession.  FTP, name this 1848 Democratic presidential nominee who was defeated by Zachary Taylor.
Responsible for highways linking Chicago, Saginaw, and Port Huron to Detroit, this 1813-1831 Michigan Territory Governor served as Jackson's secretary of war and directed the Black Hawk and Seminole Wars.
Lewis Cass