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

President Donald Trump said in an Oval Office signing ceremony Monday evening that his administration will impose 25% tariffs on Mexico and Canada on February 1, an extraordinary change in North American trade policy that could raise prices for American consumers.

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