The city of Constantinople, later known as Istanbul, served as the capital of which historical empire?

The "Great Depression" of the 1930s had a profound impact on the global economy. In which country did it originate?

The concept of "Laissez-faire" is associated with which economic philosophy?

The Battle of Gettysburg was a significant turning point during which war?

What is the primary focus of political science as a social science discipline?

The "Yellow River" is often associated with the early civilization and ancient history of which country?

The "Cuban Missile Crisis" of 1962 was a tense standoff between the United States and which other major power?

What is the primary function of the United Nations Educational, Scientific and Cultural Organization (UNESCO)?

The "Reconquista" was a centuries-long process of reclaiming territory from which group in medieval Spain?

The concept of "Manifest Destiny" was used to justify the westward expansion of which country in the 19th century?