Donald Trump has threatened to impose tariffs of 50% on Canada in a move that could reignite a North American trade war. Find out more.

The tariffs will apply to goods covered by the Canada-U.S.-Mexico Agreement, escalating a trade dispute the White House says stems from Canada's policies targeting American autos,…

WASHINGTON - U.S. President Donald Trump is signing an executive order today to hammer certain Canadian products with 50 per cent tariffs in 30 days, senior White House officials…