Canada–United States border
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There are two international borders between Canada and the United States: Canada's border with the northern tier of the contiguous United States to its south, and with the U.S. state of Alaska to its
The Peace Arch at the border between Surrey, British Columbia, and Blaine, Washington
US and Canadian border security working together at Vancouver International Airport
Signing of the Treaty of Ghent in 1814, which ended the War of 1812 and returned the border to its pre-war state. Subsequent agreed treaties saw the border demilitarized and most boundary disputes resolved.
An International Boundary Commission reference monument at the Pigeon River
Webster–Ashburton Treaty
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The Webster–Ashburton Treaty was a treaty that resolved several border issues between the United States and the British North American colonies. Negotiated in the US federal capital city of Washington
Webster–Ashburton Treaty document of August 9, 1842
Plaque in Washington, DC
Maine boundary dispute that led to the 1842 Webster–Ashburton Treaty