The North American Free Trade Agreement is a(n) trade treaty between Mexico, Canada, and the United States designed to lower and eliminate tariffs. executive agreement between the United States and the other nations of North and Central America, giving one another most favored-nation trade status. executive agreement reducing trade and immigration barriers throughout North America. trade treaty between the United States and Canada designed to make it easier to sell U.S. products in Canada. treaty between the United States, Canada, and Mexico pledging a unified strategy regarding trade with Asia and Europe