US-Canada Tariff War Explained: Why Trade Talks Collapsed and What Happens Next

The United States on Saturday imposed 50% tariffs on $20bn of Canadian goods, escalating a trade dispute between the two long-standing allies after final talks to ease tensions broke down. Canada has also announced plans for retaliatory measures from September 8, with Prime Minister Mark Carney saying Ottawa would respond with tariffs targeting sectors including dairy, steel, household appliances, farming equipment, electronics and pulp and paper.