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.

WEST PALM BEACH — President Donald Trump arrived Friday evening following a tense and combative Oval Office meeting with Ukrainian leader Volodymyr Zelenskyy that played out for a global audience.