Trump claims more taxes on trade wouldn't be a cost to the US - almost all economists dispute this.

Trump has promised tariffs on all foreign goods. If he follows through, many smaller economies may be forced to respond in kind.

Donald Trump's call for sweeping tariffs is resonating, as protectionism gains steam in the US.

As Americans prepare to vote in the presidential election, Canadians and Mexicans mull the likely impact. 

Shein and Temu have been able to ship packages under $800 to the US without facing tariffs.

The boss of the World Trade Organization warns the global economy is facing numerous challenges.

The White House said they were a response to unfair policies and intended to protect US jobs.

It is the latest protectionist policy to be embraced by the White House in an election year.