Canadian Prime Minister Mark Carney said his nation is not "going to accept" an "attitude at the negotiation table that Canada is a subsidiary of the United States."

Canada responds to U.S. tariffs with retaliatory measures amid escalating trade tensions and failed negotiations.

Canada will impose tariffs on some US goods in retaliation for 50 percent levies ordered by President Donald Trump on Canadian products, Prime Minister Mark Carney says, after…