Before that whole perfidy affair sullied his historical legacy , Benedict Arnold pass an invasion force into Canada during the American Revolution . He failed miserably .
In 1839 , a cow ( American ) , a grunter ( Canadian ) and a handful of militiaman ( American ) were injure in the Aroostook War , a light and unofficial conflict between Maine and Canada over a border dispute .
Invading Canada , it seems , is as American as apple pie . The only job is that we suck at it . Well , traitors and lumberjacks do , anyway . If you want a job done right , you have to go to the big boys , but surely the federal government would n’t ever dream of invade friendly , free - trading Canada . Would they ?

sprain out , the United States regime did have a plan to intrude on Canada . “Joint Army and Navy Basic War Plan - Red"is a 94 - page , footstep - by - whole tone architectural plan to obtrude upon , capture and annex the country of maple sirup .
Plan Red draft a series of possible safari purport at capture key ports , city and railway system assembly line before British reward could get , forestall them from using Canadian resource and infrastructure to their vantage .
While a joint Army - Navy abroad force captured the port city of Halifax , cutting Canada off from the Atlantic , the U.S. Army would set on on three fronts , go on from North Dakota , Vermont , and the upper Midwest to catch Winnipeg , Montreal and the nickel mines of Ontario , severally . American forces were also supposed to capture British colonies in the Caribbean to defend the country from an onrush from the south .

The Canadian reception
The suppositional war , of course , never happen . Canada and the United States became ally during World War II , and partners in NATO and NAFTA . Today , the two countries share the human beings ’s longest demilitarize border , which has the world ’s largest number of legal crossings . War Plan Red and its color - coded siblings were withdrawn in 1939 and declassify in 1974 . They now domiciliate in the National Archives , where alien spies can photocopy them for 15 cents a page ( War Plan Red isonline , too ) . And everyone lived happily ever after .
And those other gloss program ? Well , here are my favorites :