The Efe (hunter-gatherers from Congo) settle their disputes by long discussions, where they can settle on a solution. If that doesn't happen, then they can change their hunting group.
Answer: The US did not have many troops, and 200 of them refused to go beyond american terriotory,the British found out about these plans to take over canada by seizing a schooner with his baggage and papers on it. The left the border of New york without ever entering Canada because they had many different accidents, including one where the fired at their own men in the dark.
Because after the revolution they needed a whole new system of government where every state would get a say if what needed to be done.
Hope this helps. Please let me know if I'm wrong. :)