When nations clash over trade, the instinct is to measure power by the size of economies — but power in commerce is also measured by proximity, dependency, and the political weight of disruption. Canada, though the smaller partner, is the primary export destination for twenty-six American states and ranks among the top three for forty-five, meaning any escalation ripples directly into the districts of American lawmakers and the livelihoods of American workers. Prime Minister Carney enters this dispute not as the weaker party, but as one holding leverage in precisely the places where it is most