US-Canada trade talks collapsed on August 21, triggering 50% tariffs on $20B in Canadian imports and retaliatory measures set for September 8.

Canadian Prime Minister Mark Carney vows to retaliate, says his country recognized that 'America has changed' and that the two countries would 'not return to our old relationship'

Negotiations between the U.S. and Canada broke down late Friday and tariffs went into effect early Saturday morning.

The U.S. government is set to implement hefty tariffs on imports from Canada, which will influence roughly five percent of Canadian exports each year. Following failed…

Canada would match US tariffs "dollar for dollar", says Prime Minister Mark Carney.