The "Emancipation Proclamation" issued by President Abraham Lincoln during the American Civil War aimed to achieve what goal?

The Treaty of Versailles, signed in 1919, formally ended which major conflict?

The ancient city of Petra, known for its rock-cut architecture, is located in which modern-day country?

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

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

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

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

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

The "Balfour Declaration" was a British statement expressing support for the establishment of a "national home for the Jewish people" in which region?

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