In the shifting geometry of global alliances, Canada has turned toward Europe — and Donald Trump has turned toward his tariff ledger. The European Commission's offer of an unprecedented associate membership to Canada, paired with Ottawa's application to join a British-led military coalition, signals that two longtime American partners are quietly recalculating the cost of dependence. Trump's swift condemnation of the move as a 'hostile act' reveals how deeply he reads diplomacy as loyalty — and how readily he reaches for economic punishment when he feels slighted.