The brainwashing here in Canada is horrible. Canadians have been taught to dislike the US. Most Americans don't like Canadians either (according to "polls" and "data".)
How to fix this division between the two countries? Good question which nobody ever seems to ask.
https://www.ctvnews.ca/canada/canadians-opinions-of-u-s-drop-to-lowest-level-in-nearly-40-years-survey-1.5146519
https://globalnews.ca/news/7335966/canada-view-u-s-drop-lowest-two-decades-poll/
https://www.ipsos.com/en-ca/public-opinion-survey-canadians-and-americans