When the North American Free Trade Act (NAFTA) Was Passed

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

A) was unsuccessfully opposed by organized labor.
B) contained a 15-year phase-in to increase tariffs between Canada, Mexico, and the US.
C) substantially lowered the wages of Mexican employees, such as truck drivers, in comparison to their US counterparts.
D) all of these.
E) contained a 15-year phase-in to increase tariffs between Canada, Mexico, and the US and substantially lowered the wages of Mexican employees, such as truck drivers, in comparison to their US counterparts.