Canadian Prime Minister Justin Trudeau is returning home after his meeting with Donald Trump without assurances the president-elect will back away from threatened tariffs on all products from the major American trading partner.

President-elect Trump boasts a "productive meeting" with Canada's Prime Minister Justin Trudeau after earlier threatening tariffs on the country, China and Mexico. Why it matters: Trump earlier promised to implement tariffs immediately,

A government official says Canada is already examining possible retaliatory tariffs on certain items from the United States should President-elect Donald Trump follow through on his threat to impose sweeping tariffs on Canadian products.