President Donald Trump has taken executive action to impose or threaten new tariffs on imports from Canada, Mexico and China. The moves fulfill certain campaign promises but also have roiled stock markets and supply chains,

Trump’s executive orders impose 25% tariffs on Mexican and most Canadian imports and 10% on goods from China. His order set a lower tariff rate of 10% on energy imports from Canada.

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.

What to know as President Donald Trump imposes steep new tariffs on imports from Canada, Mexico and China, prompting retaliation and countermeasures.

Trump has long proposed raising tariffs—or taxes on imported goods that the businesses importing them pay the U.S. government—before the election, and said in November he’ll impose a 25% tariff rate on all imports from Mexico and Canada on the first day of his presidency and will impose an additional 10% tariff rate on all imports from China on top of other tariffs.

U.S. President Donald Trump and Mexican President Claudia Sheinbaum say their planned tariffs are on hold for a month to give time for further negotiations

The German and French stock markets were down about 2%, with shares in carmakers among the worst hit, while London's FTSE 100 dropped more 1%. The US dollar also strengthened on the currency markets,

President Donald Trump said the U.S. pays hundreds of billions of dollars to "subsidize" Canada, and Canada can avoid tariffs by becoming the 51st state.