(FILES) US President Donald Trump (L) listens to Canadian Prime Minister Justin Trudeau as they walk towards the Oval Office of the White House in Washington, DC, on October 11, 2017. Canada was scrambling on November 26, 2024, to blunt the impact of US President-elect Donald Trump's threat to implement steep tariffs once he takes office, as experts warned of a potentially "catastrophic" hit to the Canadian economy. (Photo by JIM WATSON / AFP) (Photo by JIM WATSON/AFP via Getty Images)