US President Donald Trump’s new 25% tariffs on imports from Mexico and Canada took effect on Tuesday, along with a doubling of duties on Chinese goods to 20%, launching new trade conflicts with the top three U.S. trading partners.
The tariff actions, which could upend nearly $2.2 trillion in two-way annual U.S. trade went live at 12:01 a.m. EST (0501 GMT), hours after Trump declared that all three countries had
