The American president recently started fixating on the line separating the United States and Canada. It’s worth asking why.

Military might, economic force, tearing up two centuries of treaties — it will take more than a pencil and eraser to redraw ...

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

But Mr. Trump’s criticisms have upended the business-as-usual atmosphere at the border. Map along the Canada-United States border highlighting Coutts, Canada and Sweet Grass, United states.

President Donald Trump continued to belittle Canada and threaten it with joining the United States as the economic war with the country continued.

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