I don't think our military would cooperate very well with invading Canada.
This isn't a prediction but I agree with @lynn that Trump's Canada provocations are to distract from his looting of the US treasury, a rise in inflation, and an increase in unemployment. See also Greenland and the Panama Canal.
It is and oddly enough we might be depending on Canada to conduct scientific study:
https://www.business-standard.com/world-news/nsf-research-grant-review-trump-orders-dei-keywords-scrutiny-women-trauma-125021000459_1.html
https://www.kpbs.org/podcasts/san-diego-news-now/trump-administration-puts-ucsd-research-in-stop-and-start-chaos
