re: Arkansas, Louisiana, Mississippi,

Meh. Arkansas, Mississippi, Northern LA, Alabama, Georgia, Florida Panhandle, Tennessee, East Texas, South Carolina....if you were dropped in a small town in any one of these places without geographical clues, you wouldn't be able to tell one from the other. Florida below the big bend, Missouri, and southwestern Louisiana are the only real outliers. Even the towns around Baton Rouge are just like the rest of the southeast