It may also feed the old hind brain's pack instincts. Especially for sports that can be divided into local, regional and national tiers. It becomes something

It may also feed the old hind brain's pack instincts. Especially for sports that can be divided into local, regional and national tiers. It becomes something of a clan system, where you squabble locally, but support each other regionally and nationally when a outside "threat" shows up.