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ARTICLE · 12 MARCH 2025

March 4 Trade War Update: U.S. Imposes Tariffs And Canada Retaliates

Gowling WLG
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Since taking office, U.S. President Donald Trump has been outspoken about his intent to impose sweeping tariffs on Canada and other global trading partners.

GlobalInternational Law
Jacques Shore
Jacques Shore
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Suzanne Sabourin
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Wendy Wagner
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Hunter Fox
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Since taking office, U.S. President Donald Trump has been outspoken about his intent to impose sweeping tariffs on Canada and other global trading partners. In a move that stunned many Canadians, these threats materialized on March 4, 2025, with the implementation of a 10% tariff on all Canadian energy imports and a blanket 25% tariff on all other Canadian goods entering the United States. These measures were introduced alongside a 25% tariff on Mexican imports and an additional 10% tariff on Chinese goods, marking a significant escalation in global trade tensions.

Canada responded swiftly by announcing retaliatory measures, including 25% retaliatory tariffs on a sweeping list of strategically selected American goods. Both the U.S. tariffs, and Canada's first round of retaliatory countermeasures took effect on March 4, 2025, at 12:01 am. with significant implications for key industries, including agriculture, automotive, and technology sectors, likely causing ripple

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