Title: Middle Ages.
Question: What fraction of land was under cultivate using the three-field system?

Title: Pub.
Question: In the 19th century, what term was used in English-speaking Canada to describe a drinking establishment?

Title: United States presidential election, 2004.
Question: How large of a gap was there between Bush's and Kerry's votes? 

Title: Muammar Gaddafi.
Question:
What were tribal leaders accused of in 1971?