>"and likely most of Europe and Canada would also go to war against the USA." Canada and the US share border and almost all meaningful infra of Canada is locat

>"and likely most of Europe and Canada would also go to war against the USA." Canada and the US share border and almost all meaningful infra of Canada is located in that thin border area. The US can obliterate much of Canada with artillery, various types of missiles, bombs etc. etc. Canada has nothing to counter it with. So no, I doubt Canada is that suicidal (I am Canadian btw).