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

President Donald Trump has announced he’s levying tariffs of 30% against the European Union and Mexico starting Aug. 1.

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 ...

The Mexican delegation in Washington expressed disagreement with the tariff announcement and considered it “unfair treatment,” according to a government statement.

For the time being, the administration is focusing on diplomacy, but all eyes are on next week’s prospective announcement, particularly if the United States maintains its current tariff posture.

Tomato trade dispute between U.S., Mexico boils over again -- with 21% tariffs due in July By Andrew Muhammad, University of Tennessee and Luis Ribera, Texas A&M University ...

The Morelos Dam, in Los Algodones, Mexico, diverts water to the Mexicali Valley from the Colorado, one of three rivers shared with the United States under a 1944 treaty.