When the North American Free Trade Act (NAFTA)was Passed,it

When the North American Free Trade Act (NAFTA) was passed,it:

A) Substantially lowered the wages of Mexican employees,such as truck drivers,in comparison to their U.S.counterparts.
B) Contained a 25-year phase-in to increase tariffs between Canada,Mexico,and the U.S.
C) Was unsuccessfully opposed by organized labor.
D) Involved only the United States and Mexico.
E) Benefited the United States more than other countries.