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

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

They want to come at us? We've got to go back twice as hard." The White House: "President Donald J. Trump is proceeding with implementing tariffs on Canada and Mexico under the International ...

Anxiety over the map designation follows Trump repeatedly saying Canada should become the U.S.’ "51st state," citing that the U.S. subsidizes Canada by billions of dollars a year and that if ...

The U.S. president on Tuesday reiterated his claims on Canada’s territory as he increased tariffs, threatening to bring the ...