Use the following information to work Problems to 21 Before 1995, trade between Canada and Mexico was subject to tariffs. In 1995, Mexico joined NAFTA, which has now been replaced by USMCA. All Cana- dian and Mexican tariffs have been removed. 19. Explain how the price that Canadian consumers pay for goods from Mexico and the quantity of Canadian imports from Mexico have changed. Who are the winners and who are the losers from this free trade?