President Trump’s top-line tariffs of 35 percent on Canada are among the highest in the world. However, most imports from America’s northern neighbor could be spared thanks to sweeping exemptions under the U.

Trump has justified tariffs on goods from Canada, the top U.S. export market, by accusing it of failing to stop the cross-border flow of fentanyl, even though U.S. government data shows Canada accounts for only 1% of the fentanyl that enters the United States.