Title: Umayyad Caliphate.
Question: Who adopted Muhammad ibn Abi Bakr?

Title: Ottoman Empire.
Question: How many provinces did the Ottoman empire control at the start of the 17th century?

Title: Carnival.
Question: What type of rhythmic figures are performed by the drummers playing the tamboril?

Title: Muammar Gaddafi.
Question:
What rationale did Gaddafi use for joining the military?