President Trump has threatened to increase Mexico’s tariff rate to 30 percent starting Aug. 1, claiming the country hasn’t sufficiently tackled drug cartels.

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Trump’s tariffs spark a nationalist reaction in Latin America. Is the U.S. president a godsend for the region’s leftist leaders?

While Mexico was spared from Trump's so-called "Liberation Day" tariff rollout on April 2, the 30% rate for the E.U. is 10 percentage points higher than what the president said he would apply to America's largest trading partner in April but lower than his mid-May threat of 50%.

Most European markets took a hit as trading resumed in the wake of President Trump's latest tariff threats, and as the EU keeps hoping for a deal.

The tariffs are likely to inflame tensions with one of the largest U.S. trading partners.

President Donald Trump posted letters to the leaders of Mexico and the European Union, saying they had not done enough to head off the new tariffs.

President Donald Trump has posted two new letters on his social media platform announcing tariffs on the European Union and Mexico.

The president has earned a reputation for bluffing on tariffs. But he has steadily and dramatically raised U.S. tariffs, transforming global trade.