Why do you think that that's true? I ask because it isn't in other circumstances (particle vs wave).
The world doesn't care whether it's convenient.
There are various connections, but geography is the only common one.
It's supposed to be a singular entity where everyone is working towards the benefit of everyone, but that got lost somewhere along the way.
That's from the pledge of allegiance, which was written in 1892, long after the nation was founded. http://en.wikipedia.org/wiki/Pledge_of_Allegiance
More important, you're confusing a goal with reality.
Why do you think that that's true? I ask because it isn't in other circumstances (particle vs wave).
The world doesn't care whether it's convenient.
There are various connections, but geography is the only common one.