The real danger is uncertainty stretched across years. If USMCA slides into annual reviews or lapses altogether, North American supply chains lose the one thing capital needs most: predictability. Autos, agriculture, and nearshoring plans all hinge on rules that no longer hold true. Trade pacts don't have to collapse to do damage—they just have to become too uncertain to finance, and that uncertainty is already here.
The USMCA isn't going anywhere — the economics alone make termination a non-starter. Canada and Mexico account for nearly $2 trillion in annual trilateral trade, and over 70% of US imports from those countries are industrial inputs feeding American factories. President Trump has already carved out USMCA exemptions from his own tariffs repeatedly, which tells you everything about how indispensable this agreement actually is.
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