When Mexico Became a Part of NAFTA,along with Canada and the United

Multiple Choice

When Mexico became a part of NAFTA,along with Canada and the United States,it:

A) Eliminated tariffs against Canada and the United States but maintained them against nonmembers
B) Eliminated tariffs against Canada,the United States,and all nonmember countries
C) Increased tariffs against Canada the United States,and all nonmember countries
D) Increased tariffs against Canada and the United States,but did not change them against nonmember countries