Canadian Prime Minister Justin Trudeau said his country would respond if President Donald Trump pressed ahead with his threat to impose tariffs on the US’s northern neighbour. “Canada provides many of the necessary inputs that the American economy is going to need,

U.S .President Donald Trump's tariff threats could have a significant impact on the Canadian economy. But just how devastating might they be?

Canadian Prime Minister Justin Trudeau on Tuesday vowed a strong response if Donald Trump slaps 25 percent tariffs on Canadian imports, which the US president signaled could come as early as February.