Canada faces steep 35% tariffs on almost 60% of its U.S. imports — if President Trump follows through tomorrow on his Aug. 1 deadline for imposing the extraordinary duty.

President Donald Trump said the US will put a 35% tariff on some imports from Canada, escalating the tensions between two countries that have impaired one of the world’s largest trading relationships.

After Canada failed to strike a trade deal with Washington, the president raised tariffs on some Canadian exports this week.