The Rush-Bagot Treaty was ratified by the U.S. Senate after the War of 1812.
The treaty limited the number of military vehicles permitted to be on the Great Lakes by the U.S. and Great Britain. The waterways had been the site of many battles during the War of 1812 and both countries were wary of the other’s military power on the waters.
Fortunately, trade after the war really took off and both sides saw the benefits of establishing a positive trade relationship rather than an adversarial one. U.S. Acting Secretary of State Richard Rush and Britain’s Minister to the U.S. Charles Bago worked out an agreement that led to a demilitarized boundary between Canada and the U.S.