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.

U.S. President Donald Trump held off on his tariff threats against Mexico for one month of further negotiations after Mexican President Claudia Sheinbaum agreed to send 10,000 members of her country’s national guard to the border to address drug trafficking.