Hours after President Trump signed the order Saturday, Mexican President Claudia Sheinbaum ordered retaliatory tariffs. Here's what to know.

U.S. farmers and various trade groups are very apprehensive about not only the potential negative impacts of tariffs on the U.S. ag sector, but what they do to garner new trade agreements.

The president signed executive orders placing tariffs on Canada, Mexico and China that were set to take effect on Tuesday, a move that could lead to a new era of global tensions.