Answer: Option A -- Create a free -trade zone for United States, Mexico and Canada
Explanation:
NAFTA is an acronym for North American Free Trade Agreement, is an agreement signed in 1st of January, 1994 by the trio - USA, Mexico and Canada, creating a trilateral trade alliance in North American, and purposely to create a free-trade zone for the trio -- USA, Canada and Mexico. NAFTA overrides the Canada -USA free trade earlier signed in 1988.
