Trump’s promise to impose 30% tariffs on imports from Mexico and 35% on imports from Canada beginning tomorrow could hammer up to three-fourths of their U.S. imports.

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.

Mexican President Claudia Sheinbaum said on Wednesday that she had spoken with Canadian Prime Minister Mark Carney and that the two had agreed to strengthen trade collaboration, particularly in light of the tariffs from U.