Which Statement Best Describes the North American Free Trade Agreement

Which statement best describes the North American Free Trade Agreement (NAFTA) ?

A) The member nations of the NAFTA have agreed to create a trade bloc similar to that of the European Union.
B) The major aim of the NAFTA is to increase the level of literacy among the United States, Mexico, and Canada.
C) NAFTA has been successful in creating the Free Trade Area of the Americas, the world's largest free trade zone.
D) The member nations of NAFTA focus mainly on economic cooperation rather than on political integration.