The Canada-U.S. trade conflict

Tariffs are being charged both ways, and other measures are only scheduled or announced.

Published Sep 21, 2026 Reporting through Sep 15, 2026 Sources for this story (25) ↗

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Washington Examiner Analysis Trump and Carney are both to blame for interruption of US-Canada friendship Published Sep 11, 2026 www.washingtonexaminer.comRead original source (opens in a new tab)

Paragraphs dating the 2018-19 metals tariffs and the February 10, 2025 reinstatement

Magazine feature, listed as consulted. Cited only for the June 1, 2018 start date and the 25/10 per cent first-round rates, which the official records below do not state; its opinion framing is not relied on.

Retrieved Sep 15, 2026. Original historical capture has not been verified.

Where it connects

Feb 10, 2025Earlier tariff rounds, 2018 to 2025

Linked to 1 claim

Evidence forTariffs from earlier rounds were still in force when the August 2026 talks collapsed. U.S. tariffs on Canadian steel and aluminum first ran from June 1, 2018 until May 2019, and Canada lifted its countermeasures on May 20, 2019. Proclamations signed February 10, 2025 brought the U.S. tariffs back at 25 per cent, and the steel tariff took effect on March 12, 2025. Canada lifted most of its 2025 counter-tariffs on September 1, 2025, and its 25 per cent counter-tariff on some U.S.-built vehicles stayed in force.Explore this claim →

Yahoo Finance Canada News report Canada's steel and aluminum counter-tariffs have doubled -- what it means for car and appliance prices Published Sep 10, 2026By Romana King ca.finance.yahoo.comRead original article (opens in a new tab)

Sections 'What's actually changed on September 8' and 'Trump's countermeasure'

Details the roughly 700 tariff items, the doubled steel and aluminum rate, the vehicle carve-out, pass-through to consumer prices, and the U.S. bans announced within hours.

Retrieved Sep 15, 2026. Original historical capture has not been verified.

Where it connects

Linked to 3 claims

Show 1 more claim

Evidence forU.S. bans on imports of some Canadian goods are scheduled to take effect at 12:01 a.m. eastern time on September 29, 2026. President Trump signed them on September 8, within hours of Canada's counter-tariffs taking effect, under section 338 of the Tariff Act of 1930. They cover packaged beer, wine, cider and spirits, motorcycles with engines over 800 cc, whey products, molasses and non-alcoholic beer. Changes to the list of goods under the 50 per cent U.S. tariff, signed that day, are scheduled for September 15, 2026.Explore this claim →

NBC News News report Trump escalates trade war with Canada, moving to ban the import of some autos, dairy and alcohol Published Sep 8, 2026By Steve Kopack www.nbcnews.comRead original article (opens in a new tab)

Paragraphs 1-8 on the September 8 measures and the September 29 effective date

Same-day reporting on the counter-tariffs taking effect and the U.S. import-ban response signed under Section 338.

Retrieved Sep 15, 2026. Original historical capture has not been verified.

Where it connects

Linked to 4 claims

Show 2 more claims

Prime Minister of Canada Official record Prime Minister Carney delivers remarks on Canada-U.S. trade negotiations Published Aug 22, 2026 www.pm.gc.caRead original source (opens in a new tab)

Opening paragraph, the passage on Canada's offers, and the passage beginning 'While we believed, earlier this week'

The Prime Minister's remarks of August 22 as published by his office: why Canada suspended the talks, what it had offered, and its remaining counter-tariffs on steel, aluminum and autos.

Retrieved Sep 20, 2026. Original historical capture has not been verified.

Where it connects

Linked to 2 claims

Bank of Canada Official record How Canada's counter-tariffs impacted consumer prices (Sparks at Bank article 2026-13) Published May 11, 2026By Alberto Cavallo · Olena Kostyshyna · Oleksiy Kryvtsov · Matías Vieyra www.bankofcanada.caRead original source (opens in a new tab)

Opening summary and the closing list of four takeaways

A study of the 2025 counter-tariffs, not the 2026 ones. The page shows May 2026 and its metadata gives 2026-05-11. Also records that Canada removed most of its 2025 counter-tariffs on September 1, 2025.

Retrieved Sep 20, 2026. Original historical capture has not been verified.

Where it connects

Linked to 2 claims

The White House Official record Adjusting Imports of Steel into The United States (Presidential Proclamation) Published Feb 10, 2025 www.whitehouse.govRead original source (opens in a new tab)

Reinstatement and effective-date clauses

Official record of the February 10, 2025 steel proclamation ending prior country arrangements, with the Section 232 tariffs applying from 12:01 a.m. March 12, 2025. A companion proclamation covered aluminum.

Retrieved Sep 16, 2026. Original historical capture has not been verified.

Where it connects

Feb 10, 2025Earlier tariff rounds, 2018 to 2025

Linked to 1 claim

Evidence forTariffs from earlier rounds were still in force when the August 2026 talks collapsed. U.S. tariffs on Canadian steel and aluminum first ran from June 1, 2018 until May 2019, and Canada lifted its countermeasures on May 20, 2019. Proclamations signed February 10, 2025 brought the U.S. tariffs back at 25 per cent, and the steel tariff took effect on March 12, 2025. Canada lifted most of its 2025 counter-tariffs on September 1, 2025, and its 25 per cent counter-tariff on some U.S.-built vehicles stayed in force.Explore this claim →

Department of Finance Canada Official record Canada eliminates countermeasures as the United States lifts tariffs on Canadian steel and aluminum Published May 20, 2019 www.canada.caRead original source (opens in a new tab)

Opening paragraphs

Official record that the 2018-19 metals round ended: the U.S. announced May 17, 2019 it would lift its tariffs within two days, and Canada lifted its countermeasures May 20, 2019.

Retrieved Sep 16, 2026. Original historical capture has not been verified.

Where it connects

Feb 10, 2025Earlier tariff rounds, 2018 to 2025

Linked to 1 claim

Evidence forTariffs from earlier rounds were still in force when the August 2026 talks collapsed. U.S. tariffs on Canadian steel and aluminum first ran from June 1, 2018 until May 2019, and Canada lifted its countermeasures on May 20, 2019. Proclamations signed February 10, 2025 brought the U.S. tariffs back at 25 per cent, and the steel tariff took effect on March 12, 2025. Canada lifted most of its 2025 counter-tariffs on September 1, 2025, and its 25 per cent counter-tariff on some U.S.-built vehicles stayed in force.Explore this claim →