05-05-2015, 05:40 PM
The 'South' has traditionally been delineated by the Mason-Dixon line, which separates Pennsylvania from West Virginia, Maryland, and Delaware. During the Civil War, 'Dixie' became a nickname for the Confederacy, and its believed to have come as a reference to the Mason-Dixon line (even though Maryland and Delaware were slave states, but did not secede).
ETA: just in case anyone was wondering
ETA: just in case anyone was wondering