Final answer:
The European Free Trade Association (EFTA) joins Iceland, Liechtenstein, Norway, and Switzerland. EFTA is an alternative trading bloc to the European Union (EU) and aims to promote free trade and economic cooperation.
Step-by-step explanation:
The European Free Trade Association (EFTA) includes four countries: Iceland, Liechtenstein, Norway, and Switzerland. These countries are not members of the European Union (EU) but have established free trade agreements with the EU. EFTA was established in 1960 as an alternative trading bloc to the EU. It aims to promote free trade and economic cooperation among its member states.