The answer would be Muslims
Age of recovery
Urban society
individual abilities
education. humanism, thought grammar, rhetoric language, their past history.
renaissance society. a strong bond in the family was very important because it was a great source of security when it was a very dangerous time.
The correct answer here is the public opinion.
All of the methods mentioned here are ways the politicians may test and see the public opinion. Polls are maybe the main indicator of the public opinion next to voting results but at stage it is a bit late for the candidate. Direct contact with the population is also a method by which the politicians can learn what troubles the said population.