B.C. business leaders, including those with the Greater Vancouver Board of Trade, warn U.S. President-elect Donald Trumps promise to impose a 25 per cent tariff on Canadian imports will have a serious impact on the province’s economy. Trump said he would slap the tariffs on Canada and Mexico on his first day in office. The reason - Trump says both countries have failed to stem the flow of illegal aliens and drugs like fentanyl coming into the U.S. B.C. is a major supplier of resources for American housing and manufacturing.