Mr. Trump insists that these actions are his way of standing up for farmers and ranchers. Other nations such as Japan, China and India have charged higher tariffs than the U.S. for importing American farm goods.

All U.S. imports face a baseline 10% tariff, effective Saturday. + Higher rates will apply to partners judged "bad actors" on trade. For example, Japan faces a 24% duty and the European Union faces a 20% levy,