NAFTA was important to North American countries because it A. broke down trade barriers

B. established a military alliance

C. promoted alternative energy sources

D. provided free healthcare for all people

Broke down trade barriers

Explanation: "The North American Free Trade Agreement was an agreement signed by Canada, Mexico, and the United States that created a trilateral trade bloc in North America. The agreement came into force on January 1, 1994, and superseded the 1988 Canada–United States Free Trade Agreement between the United States and Canada. "

john locke, hope this .