The purpose of NAFTA is to:
A) substitute cheap labor in Mexico for expensive labor in the United States.
B) curb illegal immigration from Mexico to the United States.
C) phase out all trade and tariff barriers between North America and South America.
D) phase out all trade and tariff barriers between the United States, Canada, and Mexico.
E) provide fair and equitable tariff rates for trade between the United States, Canada, and Mexico.
Answer: D