We signed a treaty recognizing the border at 44.40 lat.
What were they afraid of? A few odd sourdoughs squatting in BC territory?
Unlike some countries the US is as good as it’s word when it comes to treaties.
Why did Canada fear the US? How about the doctrine of Manifest Destiny? Texas was a part of Mexico until Americans settlers moved in and demanded government like they were used to in the US, rather than peaceably working to change the laws. How many treaties with Indian nations were made and broken by the US government, as it expanded west in the 1800s?
From approximately the end of the US Civil War, any overt US 'gunboat diplomacy' has been focused outside of North America, so Canada is more at ease than it was before the War. Of course, Canadians were, at the time, unaware of the US Army's 'War Plan Red, developed in the 1920s and 30s, to invade Canada. It was updated in 1935 but put on hold in 1939.