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

Test your knowledge of the two main international financial institutions.

Test your knowledge of global trade, including the World Trade Organization and leading importers and exporters.

Take this quiz to test your knowledge of the North Atlantic Treaty Organization, the military alliance underpinning U.S. global leadership.

Test your knowledge of Brazil, from the Amazon rainforest to the World Cup.