In another reversal, Trump postponed for a month new tariffs on imports from Canada and Mexico that fall under the three nations' free trade deal.

The president signed executive orders today offering a monthlong exemption, until April 2, for all goods covered under the U.S.-Mexico-Canada trade agreement, which includes most U.S. imports from those countries. About 10 percent of Mexico’s exports to the U.S. fall outside the U.S.M.C.A. trade agreement, according to one economist.

Mexican and Canadian officials are increasingly frustrated by tariff negotiations with the Trump administration, with a lack of clarity over exactly what the U.S. wants making any resolution seem impossible,