Trump tested the waters on tariffs during his first four years in office. Almost immediately, “Trump hit a slew of countries with tariffs on steel and aluminum,” according to the New York Times, then “wielded those taxes as leverage against Canada and Mexico to renegotiate NAFTA.”

The White House said Friday that President Donald Trump would impose a 25% tariff on goods coming to the U.S. from Canada and Mexico and a 10% tariff on those from China on Saturday, a move that could drive up prices for products coming into the U.