Latin America has been a pivotal site for influential and innovative developments in international law since the colonial era.Throughout much of the twentieth century, Latin American politics were entangled with the political and economic interests of the United States.Today, as the global order shifts, scholars and legal practitioners are grappling with the current restructuring and potential transformation of international relations—and what this means for international law in the region. This collection of essays brings together a group of highly regarded scholars to present a broad survey of Latin America's approaches and contributions, historically and presently, to the field of international law. Comprehensive, diverse, and multidisciplinary, the book covers recent developments in areas like environmental regulation, internet regulation, Indigenous rights, LGBTIQ rights, and public health, among others.It also considers more traditional themes, such as law and development, the doctrine of nonintervention, human rights, and jurisdictional disputes in the Spanish colonies. A timely publication covering an ever-evolving region, Latin American International Law in the Twenty-First Century explores the role of Latin American politics on the world stage.Theories, perspectives, and methods of international law are expertly interwoven with those of sociology, political science, anthropology, philosophy, history, and economics to present a dynamic and multifaceted work of scholarship.