Canada and Mexico A 25% import tariff on goods from Mexico and Canada took effect March 4, with an exception for energy products and potash, which received a 10% tariff. The next day, the Trump administration suspended those tariffs until April 2 for autos eligible for duty-free trade under the U.

Increased tariffs on all U.S. steel and aluminium imports took effect on Wednesday, as Trump stepped up his campaign to reorder global trade in favour of the United States. Europe and Canada swiftly retaliated.

President Trump is now issuing a stark warning to all foreign countries in regard to tariffs. Trump tariff threats are pushing Canada's largest oil producer to break its dependence on the U.S. Winter Storm Hauls Snow,