Final answer:
The student must match each regional agreement with its description and member countries. NAFTA includes the U.S., Canada, and Mexico; the EU includes numerous European countries; ASEAN covers regional Southeast Asian nations; Mercosur comprises countries in South America.
Step-by-step explanation:
The student's task involves matching regional trading agreements with their description and member countries. Among the recognized regional agreements, the North American Free Trade Agreement (NAFTA) includes the United States, Canada, and Mexico and focuses on reducing trade barriers between these nations. The European Union (EU) is another major regional economic union, which includes numerous European countries and allows the free movement of people, goods, services, and capital. The Association of Southeast Asian Nations (ASEAN) includes countries such as Indonesia, Malaysia, the Philippines, Singapore, and Thailand, aiming to promote regional stability and economic growth. Finally, Mercosur (Southern Common Market) is a regional bloc in South America that includes Argentina, Brazil, Paraguay, Uruguay, and Venezuela.