Answer:
FREE TRADE AREA
Step-by-step explanation:
It is a form of Economic Union in which : Economies agree to increase their economic integration - by reducing or eliminating trade (goods & services) barriers & investment (capital flow) barriers among them.
This free trade within the area benefits economy : by increased competitive efficiency, economies of scale, more choice at lower prices for consumers etc.
Example : North America Free Trade Area NAFTA is an FTA agreement between USA, Mexico, Canada.