On Monday and Tuesday, President Trump announced that he would be keeping one of his key campaign promises and imposing by Feb. 1 a 25% tariff on goods from Canada and Mexico as punishment for allowing drugs and migrants to cross into the United States as well as an additional 10% tariff on goods from China to penalize the country for sending

Trump underscored his intention to use tariffs, a tax on foreign goods, as a tool of international economic policy and an increasingly vital source of government revenue.