Ontario implemented a 25 percent tariff on all electricity exports to the U.S. on Monday, impacting three states.

Canadians and Republicans alike are confounded as President Donald Trump increasingly links a trade war to his push to annex America's northern neighbor.

Ontario Premier Doug Ford has threatened to disrupt the approximately $95 billion energy trade due to Trump's new tariffs.

Canadian leaders have pledged retaliatory efforts against tariffs imposed by President Trump, such as blocking electricity ...

Trump and his aides have reportedly threatened to redraw the northern border, go after Canada’s minerals and water, and ...