Final answer:
A free trade agreement refers to a group of countries that have reduced or even eliminated tariffs, allowing for the free flow of goods among the member nations.
Step-by-step explanation:
A free trade agreement refers to a group of countries that have reduced or even eliminated tariffs, allowing for the free flow of goods among the member nations. These agreements are aimed at promoting economic growth and increasing trade between countries by removing barriers such as import quotas and nontariff barriers. Examples of such agreements include the North American Free Trade Agreement (NAFTA) between Mexico, the United States, and Canada, and the General Agreement on Tariffs and Trade (GATT) among 117 nations.