Canada

Why Trump’s Tariffs Were Blocked – And What It Means for Canada

A U.S. court stopped the plan, but the ripple effects cross the border

Mikkel Preisler
By Mikkel Preisler 5. June 2025

A U.S. trade court has overturned Donald Trump’s emergency tariffs targeting Canada and other nations. While it’s a legal victory, Canadian exporters are still feeling the impact.

The Ruling: Emergency Powers Overstepped

Trump’s so-called “Liberation Day” tariffs were struck down by the U.S. Court of International Trade. The judges ruled that invoking the 1977 emergency powers law to impose broad tariffs exceeded presidential authority.

The decision halts tariffs tied to fentanyl and border security concerns, which Canada was unexpectedly linked to.

Canada Caught in a Controversial Justification

Trump argued that fentanyl crossing the northern border posed a threat to national security. Yet official data shows Canada accounts for less than 1% of fentanyl seized by U.S. border agents.

Despite this, Canadian goods were hit with duties up to 25%. Businesses reported lost revenue, delayed shipments, and increased uncertainty.

Ottawa’s Response: Retaliatory Tariffs

In response, Canada slapped $60 billion (approx. $44B USD) in counter-tariffs on U.S. products. While the move was swift, trust in the U.S.-Canada trade relationship took a hit.

“It’s not just about tariffs – it’s about trust,” a Canadian trade official told Global News.

What This Means Going Forward

The court found no direct link between the emergency declarations and the tariffs – a legal distinction with major trade implications. It’s also a reminder that presidential power has limits.

With CUSMA trade agreement talks on the horizon, Canada will be watching closely to see if more unilateral moves come from a second Trump term.

The court’s decision halts the tariffs, but tensions remain. For Canada, the case reinforces how quickly cross-border trade can become a political flashpoint – and why legal guardrails matter.

Our team may have used AI to assist in the creation of this content, which has been reviewed by our editors.