Canada is preparing to retaliate with an exhaustive list of tariffs on American goods if President-elect Trump follows through with his plans to add a steep 25% import tax on Canadian exports, people familiar with the matter told CNN.

The outgoing Canadian Prime Minister said Canada is ready to levy tariffs on a range of American-made products, and even constrict access to crude oil and energy.

Canadian Prime Minister Justin Trudeau has suggested that President-elect Donald Trump’s remarks about Canada becoming America’s “51st state” is distracting the public from the harm that steep tariffs would have on U.