President Donald Trump's new tariff orders against Canada, Mexico and China all contain clauses suspending a duty-free exemption for low-value shipments below $800 that is widely seen as a loophole that has allowed shipments of fentanyl and its precursor chemicals into the United States.

President Trump has threatened to impose tariffs on Canada over drug trafficking, equating it with Mexico. U.S. government reports do not support the claim.

Trump's order leaves room for rates to be raised further in response to retaliation, raising the specter of an even more severe economic disruption.

China's government on Sunday denounced the Trump administration's imposition of a long-threatened 10% tariff on Chinese imports while leaving the door open for talks with the U.S. that could avoid a deepening conflict.

President Donald Trump made good on his promise to impose steep tariffs on America’s three largest trading partners — Canada, China and Mexico — citing a national emergency on the flow of fentanyl and undocumented immigrants into the United States.

The move likely will trigger retaliation and risk igniting a trade war that could cause broad economic disruption for all countries involved.

President Trump is moving forward with extensive tariffs on America’s closest trading partners. Beginning Tuesday, companies bringing products into the United States from Canada and Mexico will pay a 25 percent tariff; importers bringing products in from China will pay an additional 10 percent on top of existing levies.

Trump knows the United States has more leverage over its neighbors than they do over his country. But exploiting that position of strength could cause a historic rupture.

President Donald Trump's long-anticipated tariffs on goods from China, Canada, and Mexico were made official on Saturday.