The president-elect said that he would impose the across-the-board tariffs on Day 1 and that they would stay in place until Canada, Mexico and China halted the flow of drugs and migrants.

These are some of the common items America buys from Canada, Mexico and China. There are also other, perhaps less expected items: America buys a lot of frozen french fries from Canada. If Donald Trump carries through on his new tariff threats,

Economists worry that Trump's tariff plan will raise the prices of a range of imported goods, from cars to electronics.