The Primary Goal of the North American Free Trade Agreement

The primary goal of the North American Free Trade Agreement (NAFTA) was to

A) allow Canada, the United States, and Mexico to compete as a common economic entity against other countries in the world.
B) allow for the free and unrestricted movement of people from one country to another to improve the labor market of all three counties.
C) eliminate almost all trade barriers between the three nations.
D) establish a common set of tariffs and trade restrictions for external countries.