‘North America is really comprised of 11 distinct cultural regions which battle for political and social supremacy constantly…’

Source: Why Is the United States So Divided? Simple, It Was Never United at All. | Big Think

While some might say that our strength has been in our diversity, I have been concerned for a long time that the size and heterogeneity of the US makes it ungovernable, suggesting that it was an accident waiting to happen. And the accident may now have happened.