The EU is fine with tariffs as well though. It’s not a US only activity. However, the US has a history of tariffs as income tax wasn’t even in existence until early 20th century. I’m interested to see what impacts tariffs are going to play as it does seem a reasonable tool for sovereign nations to utilize. Otherwise, how else do they prevent the hollowing out of their working class in countries that do not provide the cheapest labor? Libertarian types will simply say pick up your bootstraps and compete, but that’s not realistic against labor that is a fraction of their cost. Protectionist measures may be the only logical response for the working class to be protected.