The document provides an overview of the World Trade Organization (WTO). It discusses that the WTO was established in 1995 to oversee and liberalize international trade. It replaced the General Agreement on Tariffs and Trade (GATT) which was not a formal international organization. The key functions of the WTO are to provide a framework and rules for international trade and settle disputes between member countries. It has a hierarchical structure led by ministerial conferences that meet regularly to set trade policy.