The Rush-Bagot Agreement was a treaty between the United States and Great Britain limiting naval armaments on the Great Lakes and Lake Champlain, following the War of 1812. It effectively demilitarized the border between the U.S. and British North America (later Canada). Signed in 1817, it initially restricted each nation to one vessel on Lake Champlain and Lake Ontario, and two vessels on the other Great Lakes. Each vessel was restricted to a maximum weight of 100 tons and armed with only one 18-pound cannon. This agreement represented a crucial first step towards normalizing relations between the two nations after a period of conflict.
The significance of this accord lies in its contribution to long-term peace and stability along the U.S.-Canadian border. By limiting military presence in the Great Lakes region, the treaty helped prevent future naval confrontations and fostered an environment of mutual trust and cooperation. This facilitated increased trade and economic development in the area, and it laid the groundwork for the peaceful resolution of other border disputes. This also allowed both countries to focus on internal development and external relations without the constant threat of war with each other.