A friend once wondered why there are nations. I responded that because even one nation will expand until it is stopped by another. (A nation usually meaning one

A friend once wondered why there are nations. I responded that because even one nation will expand until it is stopped by another. (A nation usually meaning one geographical location and it's people, language, etc. Or, uniquely for the US, meaning one set of values. Used to mean enlightenment values, but now means Jerry Springer, WWF, Payday loan values. But I digress.)