The most populous Canadian province, Ontario, proposed booting Mexico from the free-trade pact and signing a bilateral agreement with the U.S., which is home to three-fourths of Canada's total exports.

The president-elect said that he would impose the across-the-board tariffs on Day 1 and that they would stay in place until Canada, Mexico and China halted the flow of drugs and migrants.

During President-elect Donald Trump’s first term, America launched an all-out trade war with China to boost US manufacturing, secure US national security interests and resolve what Trump believed was an extremely out-of-balance trade relationship.