, the name adopted by the federation of 11 slave holding Southern states of the United States that seceded from the Union and were arrayed against the national government during the American Civil War. Immediately after confirmation of the election of Abraham Lincoln as president, the legislature of South Carolina convened. In a unanimous vote on December 20, 1860, the state seceded from the Union. During the next two months ordinances of secession were adopted by the states of Mississippi, Florida, Alabama, Georgia, Louisiana, and Texas. Pres ....