Here's what has happened so far, and some key dates coming up as Canada is officially in a trade war with its biggest trading ...

The president said he would double tariffs set to go into effect on Wednesday and threatened further levies, as he ramps up ...

President Donald Trump is once again lashing out at three of his biggest irritants: foreign steel, foreign aluminum and Canada.

Ukraine agreed to accept an immediate 30-day ceasefire in the conflict with Russia during talks with US officials in Saudi ...

President Trump threw U.S. trade policy into chaos when he slapped steep tariffs on Canada, Mexico, and China, shaking financial markets and drawing promises of retaliation from America’s biggest ...

Tariffs on U.S. dairy products imported into Canada depend on whether the U.S. has exceeded quotas agreed to in U.S.-Mexico-Canada Trade Agreement.

President Trump rescinded a threat of 50% tariffs on Canadian steel and aluminum after Ontario withdrew a 25% surcharge on electricity sold to the U.S.

Trump previously said he would increase from 25% to 50% tariffs for Canada after Ontario said it would raise electricity ...

US stocks slide further after Trump doubles tariff on Canadian steel and aluminum, fueling inflation and recession fears.

Monday’s sell-off in the U.S. stock market was a predictable consequence of the unpredictability resulting from — and ...

There could be some short-term disturbance, but long-term it’s going to make our country a fortune,” Trump said.