Which of the following terms or concepts best relates to this piece?

__________ are populations of people living in organized groups with social institutions and expectations of behavior

a. Communities b. Cultures c. Societies d. Nations

Why did Pope Paul V have Saint Peter's changed from its central plan with the addition of three nave bays?

A. The new plan more closely resembled Byzantine churches. B. Paul V wanted a larger space for symbolic purposes. C. The central plan evoked ancient temples, such as the Pantheon. D. He wanted the Roman building to outshine Saint Paul's in London.