Test your knowledge of the roles foreign countries played in the U.S. civil war, from France to Brazil. 

Take this quiz to test your knowledge of the major events of World War II, from Normandy to Nagasaki.

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

Take this quiz to test your knowledge of the UN's structure, history, and activities.

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