FILE – President Donald Trump, left, and Canadian Prime Minister Justin Trudeau talk prior to a NATO round table meeting at The Grove hotel and resort in Watford, Hertfordshire, England, Dec. 4, 2019.Frank Augstein/AP File
Canada is already examining tariffs on certain US items following Trump's tariff threat
Trump has threatened to impose tariffs on products from Canada and Mexico if the countries don’t stop what he called the flow of drugs and migrants across southern and northern borders