McDuffie, George
McDuffie, George,
1790–1851, American politician, b. Columbia co., Ga. He was a member of the South Carolina legislature and served (1821–34) in the U.S. House of Representatives, where he quickly became noted as an ebullient debater. He bitterly opposed the administration of John Quincy Adams and as ardently supported Andrew Jackson. McDuffie later broke with Jackson; he supported the Bank of the United States and also was a leader of the South Carolina group that advocated the doctrine of nullificationnullification,in U.S. history, a doctrine expounded by the advocates of extreme states' rights. It held that states have the right to declare null and void any federal law that they deem unconstitutional.
..... Click the link for more information. . He was (1834–36) governor of South Carolina and served (1842–46) in the U.S. Senate.