This document discusses international business and trade. It provides information on: - The role of international business is to buy, sell, and trade goods and services across national boundaries. Nations trade to obtain unavailable or lower cost materials and goods. - Countries have absolute advantage when they are the only or most efficient producer of an item. Comparative advantage exists when a country can supply products at a lower cost than other items. - Barriers to international trade include economic, political/legal, social/cultural, and technological factors. Trade agreements like the WTO, NAFTA, and EU help reduce trade barriers.