It's not just about spite or fighting. If we don't tariff back, our firms get fucked by American tariffs, unemployment increases, our society pays for a part of those tariffs. Adding Canadian import tariffs transfers reciprocate some of this to the other side of the border, and we then can use the revenue to negate the social cost of the American tariffs. Otherwise we'd end up in part subsidizing them.

Russia was upset Ukraine fought... It sucks what else a weaker country supposed to do? Take it?

Make another fake deal?

Too Many similarities and it is uncomfortable