Complex sentence: Both of these regions supposedly have a mutual disdain for the other's political ideology and the obvious rivalry still felt from the American Civil War creates the semblance of teams, and is played out as such occasionally in the United States Media.
Split into simpler sentences: Both of these regions supposedly have a mutual disdain for the other's political ideology. Conflict still echoing from the American Civil War creates the semblance of teams, and is played out as such occasionally in the United States Media.