Some Canadian politicians previously suggested tossing Mexico from a three-nation trade agreement with the United States.

Trump on Saturday had directed that 25% tariffs on most imports from the two American partners — and 10% on Canadian energy products — go into effect at midnight Tuesday.

Ms Sheinbaum (pictured) won praise at home and abroad for her handling of her mercurial American counterpart. Throughout the confrontation her demeanour was respectful but firm. When Mr Trump ordered tariffs on February 1st, she told her team to prepare countermeasures, but did not publicise the details.

Mexico, Canada and the European Union on Tuesday condemned U.S. President Donald Trump's decision to impose tariffs on all steel and aluminum imports next month, a move that has fanned fears of a trade war as business and political leaders braced for yet more trade duty announcements from the new administration.

Trump’s move to impose new tariffs has bewildered the United States’ closest allies and trading partners, who have vowed to respond with levies of their own.

If they are charging us 130% and we’re charging them nothing, it’s not going to stay that way,” he told reporters.

President Donald Trump has said he will announce a 25% import tax on all steel and aluminium entering the US, a move that will have the biggest impact in Canada. Trump also said that there would be an announcement later in the week about reciprocal tariffs on all countries that tax imports from the US,