Surveys the principal issues raised by the economic, political and legal integration of sovereign States, with particular emphasis on the tension between free trade and domestic policies (such as labor, environmental and consumer protection policies). Covers the institutional and legal aspects of the World Trade Organization and the North American Free Trade Agreement, and draws comparatively from European Union law in order to illustrate the various levels of (and roads to) integration. Provides students with the theoretical and practical knowledge necessary to read any other free trade area treaty. (e.g., MERCOSUR), and understand its working and the policy choices made by its drafters. Topics covered include: free trade theory; tariffs and customs law; non-tariff barriers to trade; trade and the environment; trade and intellectual property; anti-dumping law, subsidies and countervailing measures, government procurement; and institutional and constitutional dimensions of free trade areas.