Donald Trump has announced that he will increase tariffs on imports of Canadian goods by an additional 10% due to an anti-tariff announcement aired in Ontario.
The ad used the words of former US President Ronald Reagan to criticize US tariffs.
A furious Mr Trump on Friday canceled “all trade negotiations” with Canada.
Ontario Premier Doug Ford said he was pulling the ad effective Monday, but it continued to appear over the weekend, including during the World Series opener between the Toronto Blue Jays and Los Angeles Dodgers.
Mr. Trump wrote in a post on his Truth Social platform: “Their ad was going to be pulled IMMEDIATELY, but they let it run last night during the World Series, knowing it was a FRAUD.
“Due to their gross misrepresentation of facts and hostile act, I am raising the tariff to Canada by 10% above what they are paying now.”
Trump claimed the ad misrepresented the position of Reagan, a two-term president and a beloved figure in the Republican Party.
Reagan had used much of his 1987 speech, presented in the Ontario announcement, spelling out the arguments against tariffs.
Trump said the announcement was aimed at influencing the U.S. Supreme Court ahead of arguments scheduled for next month that could decide whether the president has the power to impose his sweeping tariffs.
It was not immediately clear when the 10% increase would take effect or if it would apply to all Canadian products.
Canada – which is the United States’ closest ally and one of its largest trading partners – has been hit hard by US tariffs, and the Canadian Prime Minister Marcos Carney has been trying to work with Trump to reduce them.
More than three-quarters of Canadian exports go to the United States, and nearly C$3.6 billion (US$2.7 billion) in goods and services cross the border daily.
Many Canadian products have been hit by a 35% tariff, while steel and aluminum face rates of 50%.
Energy products have a lower rate of 10%, while other goods covered by the United States-Canada-Mexico Agreement are exempt. That trade deal is scheduled for review.
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