Canadian leaders agreed to tighten the border, but not on how to respond if President-elect Donald J. Trump follows through on 25 percent tariffs.

Premiers from across the country met to discuss a plan to secure the Canadian border in the wake of President-elect Donald Trump's tariff threats.

Commodities that could be affected include crude oil, potash and uranium. Nearly all crude oil exported from Canada is bound for the U.S.

President-elect Donald Trump is doubling down on his threat to slap 25% tariffs on goods from Canada and Mexico.

Weeks after winning the election, President-elect Donald Trump took aim at Mexico and Canada over border security. The Great White North appears to be acting as the threat of tariffs looms. Trump issued his warning to Canada and Mexico last month that if they did not stop the flow of illegal drugs and illegal immigrants