Mexico’s president hosted senior Canadian ministers for talks after both countries were hit with new tariff threats last week.

USMCA origins and exemptions It dates back to Trump's first term, when he struck a deal with the two neighboring countries, exempting them from certain tariffs. That agreement led to the 2020 launch of the United States-Mexico-Canada Agreement,

The imbalance in President Trump’s treatment of America’s closest trading partners may come from his desire to make Canada the 51st state, some Canadians believe.