As things stand on Monday, Canada stands to be the first major victim of President Donald Trump's long-promised tariffs — and the automotive industry is preparing for a major change in the ways it operates as a result.

WASHINGTON— President Donald Trump on Saturday signed an order to impose stiff tariffs on imports from Mexico, Canada and China, drawing swift retaliation and an undeniable sense of betrayal from the country's North American neighbors as a trade war erupted among the longtime allies.

Canada and Mexico are enhancing cooperation in response to American tariffs. Prime Minister Trudeau and President Sheinbaum remain in close contact, as noted in the summary of the leaders' conversation published on Sunday.