President Trump has ordered global tariffs on imports of steel and aluminum of 25%. After some jockeying, which included threats by the Ontario premier to levy a 25% surcharge on electricity delivered to bordering states in the United States, the premier and Commerce Secretary Lutnick agreed to further discussions on revisions to the USMCA.

After a lengthy meeting with U.S. President Donald Trump’s top trade officials on Thursday, Canadian representatives say they have a clearer understanding of the rationale behind Trump’s insistence on tariffs — not just on Canada but on the whole world.