US-Canada trade collapse triggers tariffs

Trade negotiations between the United States and Canada collapsed late on Friday, August 21, 2026, triggering immediate 50 percent tariffs on approximately $20 billion worth of Canadian goods and prompting Canada to announce matching retaliatory levies. The breakdown occurred just before a midnight deadline, marking a significant escalation in tensions between the longtime allies and raising the prospect of a wider economic confrontation.

The new U.S. tariffs took effect at 12:01 a.m. on Saturday, August 22, targeting a wide range of products including plywood, liquor, electrical equipment, and hockey gear. The duties represent about 5 percent of Canada's annual exports to the United States, though significant exemptions remain for top imports such as oil, gas, and potash. The tariffs were authorized under Section 338 of the Tariff Act of 1930, a provision that has never been used before.

U.S. Trade Representative Jamieson Greer stated that Canada had declined to finalize a tentative agreement under terms agreed upon earlier in the week. He accused Canada of introducing new demands and reversing commitments, which he said "upended the careful balance" of the negotiations. In...