The document provides a historical overview of the General Agreement on Tariffs and Trade (GATT) and its evolution into the World Trade Organization (WTO), detailing significant trade rounds and the key issues addressed in each. It discusses regulatory frameworks regarding tariffs, non-tariff barriers, and various agreements related to anti-dumping, subsidies, and safeguards, along with principles such as most-favored nation treatment and national treatment. The document also highlights the integration of services under the GATS and the new issues introduced in the Doha Round, including trade facilitation and technology transfer.