Four months since Trump fired the opening salvo of his trade war, only China and Canada have dared to hit back at Washington imposing a minimum 10 per cent global tariff, 50 per cent levies on steel and aluminium, and 25 per cent on autos.

The prime minister pledges to diversify its trading partners away from the US and prioritise the use of Canadian steel.

Alcoa Corp., the largest US aluminum producer, said tariffs on imports from Canada cost it $115 million in the second quarter, showing how US President Donald Trump’s trade agenda has affected the industry.

The president said the blanket 35% would be on top of tariffs on certain sectors. That’s higher than the previous 25% rate.

The United States is very close to a trade deal with India, while an agreement could possibly be reached with Europe as well, but it is too soon to say whether a deal can be agreed with Canada, President Donald Trump said in an interview aired on Real America's Voice on Wednesday.

After long insisting that Canada could avoid Trump tariffs through talks, Mark Carney now says that is unlikely for any nation.

Canadian Prime Minister Mark Carney reportedly said on Tuesday that it may not be possible for Canada to avoid U.S. tariffs. “There is not a lot of evidence right, with regards to negotiations, of any country or jurisdiction,

As President Trump ramps up the pressure on dozens of countries, trade experts fear U.S. tariff policy leaves consumers and businesses in limbo.