Test your knowledge of major treaties and peace agreements, including the Peace of Westphalia and the Treaty of Versailles.

Test your knowledge of international organizations and treaties, including the European Union and the World Trade Organization.

Test your knowledge of international organizations and treaties, including long-standing defense alliances and the United Nations.

Test your knowledge of nuclear arms control and nonproliferation, from international treaties to diplomatic forums.

Take this quiz to test your knowledge of the purposes, scale, and history of U.S. aid to the rest of the world.