Whatever the case, one thing was clear: Mr. Trump is not giving up on his obsession with Canada, and the new government that emerges from Monday’s vote will need to deal with a leader intent on both hurting Canada’s economy with tariffs, and coveting its vast resources.

President Donald Trump took a final shot at Canadian politicians as the country's voters head to the polls for the federal parliamentary election. Trump, whose shadow looms over the country as the premier economic and existential threat,