Trump to impose 50% tariffs on most Canadian goods, invoking the ‘nuclear option’ that could unleash a new wave of economic chaos and inflation

Trump signed three proclamations to launch the tariffs under Section 338 of the 1930 Trade Act.

Source: [Fortune](https://fortune.com/2026/07/20/trump-tariffs-canada-50-percent-section-338-nuclear-option-inflation-usmca/)