The trade war between the US and Canada has escalated sharply with President Donald Trump increasing the tariff rate on Canadian imports from 25% to 35%. Most goods will avoid the increased costs entering the US market because they are protected by a trade treaty. But some key products are being hit hard.

Canadian Prime Minister Mark Carney said he was disappointed after US President Donald Trump signed an executive order to raise tariffs on Canadian goods to 35% from 25% on products outside the scope of the U.