Escalation: Canada implements $20B retaliatory tariffs

Canada’s retaliatory tariffs took effect after midnight on Sept. 8, hitting about $20 billion of U.S. goods shipped to Canada. The measures are a dollar‑for‑dollar response to U.S. tariffs.

Prime Minister Mark Carney said Canada will accelerate efforts to cut its economic reliance on the United States. He outlined plans to diversify trade and investment and said the country is bracing for President Trump’s response.

AI-synthesized from multiple reported sources