President Trump has activated a rarely-used legislative provision to impose tariffs on Canada, leveraging constitutional authority that has historically faced judicial scrutiny. This controversial approach targets a major U.S. trading partner and raises significant questions about executive power limits. Legal experts express concerns regarding the constitutionality of this trade enforcement mechanism, as previous court decisions have questioned its broad application. The move signals an aggressive shift in protectionist trade policy and could set important precedents for future economic sanctions.

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