The answer is cultures. Unmistakable provincial societies created among the people groups of North America in the vicinity of 10,000 and 2,500 years prior. Over hundreds of years unmistakable gatherings built up their own dialects, social associations, religious convictions, and practices, governments.
The Congress´s power implied through the "necessary and proper clause", also known as the "elastic clause" is to pass any legislation relating to the "express powers" granted though the Constitution. Alexander Hamilton was the main supporter of this interpretation.
Their first colony was Jamestown 1607
The storming of the Bastille in 1789 kickstarted the period of violence that defined the French Revolution. That was a pretty big turning point, as the serfs finally attempted to use violence against the nobility and aristocrats.