Trump, 79, notified Canadian Prime Minister Mark Carney of the incoming tariffs in a letter – one of dozens the president has fired off to foreign leaders this week ahead of an Aug. 1 deadline for

If implemented, Trump's new 35 percent duties will be "separate from all Sectoral Tariffs," such as the 50 percent tariff on steel and aluminum imports. Trump also promised that, if Canada raises its own tariffs in response, then "whatever number [Canada chooses] to raise them by, will be added onto the 35% that [the U.S. charges]."

Tariff negotiations between the two top trading partners are on a different track from those the U.S. is pursuing with other nations. But Canada may not get a better outcome.

Now, that rule change is spilling over the U.S.-Canada border. Canada has decided to do the same at its own airports where shoe removal has been mandated by the United States for any travelers flying from Canada to the U.

Claire Hutton scored her first international goal as the U.S. beat Canada 3-0 in a friendly. Sam Coffey and Yazmeen Ryan also found the net.

With the S&P 500 notching records despite promises that more tariffs are coming to everyone from Canada to Brazil to Algeria, Trump told NBC in an interview: “I think the tariffs have been very well-received.

Brazil's government on Friday downplayed the impact of the 50% tariff U.S. President Donald Trump threatened to impose on imports from that country, as leaders from both nations expressed a cautious willingness to negotiate in the future.