The president said he will impose tariffs Feb. 1 on products from Canada, Mexico and China, countries that together account for more than a third of U.S. trade.

The US’s economic partners are racing to sustain trade volumes in a Donald Trump era by closing new bilateral deals and rerouting supply chains to cope with increased US protectionism. Policymakers and trade experts say countries are turning to a tactic deployed during the US president’s first term in office,