Solution:A. NAFTA (North American Free Trade Agreement) – Members include USA, Canada, and Mexico → Canada fits here. (A–IV)B. MERCOSUR (Southern Common Market) – Founding members: Argentina, Brazil, Paraguay, Uruguay → Argentina fits. (B–III)
C. CAFTA-DR (Central America-Dominican Republic Free Trade Agreement) – Includes USA and several Central American nations → USA fits. (C–I)
D. CACM (Central American Common Market) – Includes Costa Rica, El Salvador, Guatemala, Honduras, and Nicaragua → Costa Rica fits. (D–II)
The correct matching: A–IV, B–III, C–I, D–II.