The U.S., Canada, and Mexico signed this trade pact on Dec. 17, 1992, though it didn't go into effect until Jan. 1, 1994
[DOC] [TLE] North American Free Trade Agreement (NAFTA) | Canada-United ... [PAR] Nov 23, 2015 ... NAFTA controversial trade pact signed in 1992 that gradually ... (From left to right, 
standing) Mexican Pres.