Canadian Prime Minister Justin Trudeau said Saturday he had an “excellent conversation” with Donald Trump at his Mar-a-Lago club after the president-elect's threat to impose significant tariffs on two of America’s leading trade partners raised alarms in Ottawa and Mexico City.

President-elect Trump’s pledge to impose tariffs on Mexico and Canada threatens to upend decades of North American integration, a bumpy process that’s recast the two U.S. neighbors as providers of raw and finished goods for the world’s biggest economy.