This course introduces students to public international law and its relationship with global affairs and public policy. The course will present foundational information such as the history and sources of international law, international legal personality, and key actors in international law, questions of jurisdiction, the relationship between international and domestic law, and the settlement of international legal disputes. It will also introduce students to key topics and themes in international law such as the protection of human rights and the environment, the laws of armed conflict, international criminal law, and economic and trade law, considering both the content and application of the law.