It came into effect in January 1994 after an extremely complex, long and even tedious negotiation process. Points of agreement were difficult to find in some stages of the detate.
To be more specific, NAFTA main objective was to facilitate trade decreasing, or in some cases even removing, customs among the three member states.
Therefore, trade relations between United States, Canada and Mexico increased deeply primarily in agriculture. As a matter of fact, Mexican vegetables and fruits were widely exported to United States as a result of this agreement.
NAFTA had not the same effect on every economic sector. Thus,