Title: Umayyad Caliphate.
Question: Along what highway did Umar bin Abdul-Aziz build caravanserais?

Title: Portugal.
Question: Who was the Father of Prince Henry the Navigator?

Title: Affirmative action in the United States.
Question: Which piece of legislation did President Kennedy use to claim that discrimination was a violation of the Constitution?

Title: Near East.
Question:
What is a term of the 20th centrury intended to stabilize the geographical application of Near East to ancient history?