President Donald Trump has taken executive action to impose new tariffs on imports from Canada, China and Mexico. The move fulfills campaign promises but also sparked retaliatory moves that could signal an extended trade war with key trading partners and,

President Donald Trump said on Sunday the sweeping tariffs that he has imposed on Mexico, Canada and China may cause "some pain" for Americans, as Wall Street and the largest U.S. trading partners signaled hope that the trade war would not last long.