Mercosur, or the Southern Common Market, is a regional trade bloc in South America established in 1991. It includes countries like Argentina, Brazil, Paraguay, and Uruguay, aiming to promote free trade and economic integration among its members. The organization facilitates the movement of goods, services, and people across borders, enhancing economic cooperation. In addition to trade, Mercosur also focuses on political dialogue and social development among its member states. The bloc has expanded its influence by engaging with other countries and regional organizations, fostering partnerships that support economic growth and stability in the region.