On Truth Social, Trump alleged that Chinese inaction on illegal fentanyl was the reason behind the new 10% tariff.

The president-elect calls it an effort to force them to crack down on illegal immigration and drug smuggling into the US.

The U.S. dollar rose on Tuesday after President-elect Donald Trump said he would impose tariffs on products coming into the United States from Mexico, Canada and China, as investors braced for polices that could set the stage for a trade war.

Stock markets fell and the dollar rallied Tuesday after Donald Trump warned he would impose huge new tariffs on China, Mexico and Canada on his first day in office, dealing a blow to hopes of a more moderate approach to trade policy.