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.

President-elect Trump's plan to increase tariffs on goods from China and impose them on products from Mexico and Canada would drive inflation up by nearly 1%, Goldman Sachs estimates.

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,