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

Take this quiz to test your knowledge of Turkey's politics, economy, history, and more. 

Test your knowledge of Saudi Arabia, from geography to oil.

Test your knowledge of Yemen, from its history to its ongoing civil war.

Test your knowledge of Mexico, from its president to its border with the United States.

Test your knowledge of Syria, from the Assad family to the ongoing civil war.

Test your knowledge of Ukraine, from its twentieth century history to its current relations with Russia.

Test your knowledge of Israel, from its founding to its system of government.

Test your knowledge of Iran, from its politics to its oil industry.

Test your knowledge of the conflict between Israelis and Palestinians, from the 1967 war to the status of Jerusalem.