I believe that the answer is Hyperinflation!
Following the French and Indian War, the victor (Britain) existed as the European power with the strongest colonial rule in North America due to demands made against France and the land taken at the end of the war.
The British agreed to abandon forts in the Northwest Territory. Britain wouldn't encourage Native Americans to attack settlers in the Northwest Territory. Britain agreed to pay for 250 merchant ships seized in the 2 years. Britain won't interfere with American trading efforts in the West Indies. Both the U.S. and Britain settled the Canada-U.S. border.