Despite all three countries seeming to enjoy clear economic benefits since NAFTA, U.S. President Donald Trump has imposed a series of tariffs on Canada, Mexico and many other countries that have impeded trade. They included a 25-per-cent tariff on vehicles imported into the U.S., which has upended Canada’s auto industry, resulting in significant layoffs and lost investment. General Motors has closed an auto plant in Ingersoll, Ont. and eliminated a shift at an Oshawa, Ont. assembly plant. Stellantis has postponed the re-opening of a plant in Brampton, Ont.