Canadian Prime Minister accuses President Trump of launching a trade 'war,' citing unacceptable conditions. by Ben Berkowitz Coutenay Brown It's an unprecedented breakdown in relations with the second-largest U.S. Key points and original sources are listed below.

• Canadian Prime Minister accuses President Trump of launching a trade 'war,' citing unacceptable conditions. On Saturday, August 22, Carney says, 'We've been under no illusions... America has changed.'S1

• by Ben Berkowitz Coutenay Brown It's an unprecedented breakdown in relations with the second-largest U.S. trading partner. President Trump and Canadian Prime Minister Mark Carney at the July 2026 NATO summit. Photo: Harun Ozalp/Anadolu via Getty Images Trade t...S2