Despite not being present, U.S. President Donald Trump and wider economic uncertainty were front and center in the visit. Canada and Mexico strengthen trade at a time of uncertaintyKey to Carney and Sheinbaum's meeting was the United States-Mexico-Canada trade pact, or USMCA, which is up for review in 2026. Mexico and Canada now share a common threat from the U.S," said Nelson Wiseman, professor emeritus at the University of Toronto. On Thursday, Carney said he expects "much greater amounts of trade, much greater amounts of investment" between the Mexico and Canada. But trade with the U.S. remains paramount for both countries and preserving the free trade pact will be critical.