> I'd love to see any sort of human rights justification for Tariffs against Canada though.

It'd probably be the opposite - Canada/EU put tariffs on the US to offset their higher standards of living and environmental considerations. But then the US should similarly do that to, say, China for the same reasons

> Sorry, but this "idea" originates from mercantilist thought and has been thoroughly dismantled and discredited. Even when one country is less wealthy and less productive, both countries benefit from expanded trade. This is Comparative Advantage...literally Econ 101.

https://www.thesling.org/the-failed-assumptions-of-free-trad...

Unfortunately for econ 101, just like the spherical cow in physics 101, reality is different and more complicated