Eight of eighteen Southern Whigs cast their votes in favor .
Southern Democrats supported the bill almost unanimously ( 59 -- 1 ) , while Northern Democrats split strongly in favor ( 50 -- 30 ) .
Eight of eighteen Southern Whigs cast Southern Democrats ' votes in favor .
Southern Democrats supported the bill almost unanimously ( 59 -- 1 ) , while Northern Democrats split strongly in favor ( 50 -- 30 ) .