Economic PoliciesUS Tariffs on Canada, Mexico Take Effect; China Levies DoubleTrump cited the American lives lost to the ‘vast amount of fentanyl’ that has flowed into the United States as justification for the latest tariffs.SaveMark Us Preferred on GooglePrintVehicles drive past shipping containers from China at the China Shipping (North America) Holding Company Ltd. facility at the Port of Los Angeles in Wilmington, Calif., on Feb. 4, 2025. Mike Blake/ReutersAndrew Moran3/4/2025|Updated: 3/4/20250:00X 1President Donald Trump’s long-awaited tariffs on Canada and Mexico have gone into effect, while U.S. levies on China doubled.Beginning on March 4, goods imported from the North American neighbors will be slapped with 25 percent tariffs, the president confirmed.We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.