> My theory is that other countries rely much more on interactions with their neighbours, but that's just a guess. I think that's on target. This probably play

> My theory is that other countries rely much more on interactions with their neighbours, but that's just a guess. I think that's on target. This probably plays a role in that as well: US population: 330 million (1 country) EU population: 446 million (dozens of countries bordering each other)