Republican presidential candidate Donald Trump has said he will impose 10 to 20 per cent tariffs on everything the U.S. imports. This would include, it seems, all of the goods and resources Canada sells to its biggest trading partner. And that kind of tariff wall could have serious effects across the Canadian economy. Adrian Morrow is the U.S. correspondent based in Washington, D.C., for The Globe and Mail. He looked at exactly which parts of the Canadian economy would be hit the hardest, how much each Canadian could stand to lose on average and what Canada is doing to prepare for this possible scenario.