Citizens could have little or no say in the government.
Answer: The caravans that that were passing through Babylon could be helped by the astronomers by telling them the time of day it was and even the hour.
Explanation:
Many caravans passed through Babylon to buy goods from the merchants there. They would buy numerous items and trade things for gold and silver. This made Babylon very rich. The astronomers that were there believed their Gods showed them the way by changes in the sky. They invented the Sundial and were the first people to use a calendar for the 7 day week.
In the short term, the voyages led to the destruction of the natives of the lands that Columbus found. Some of them were killed outright. Others were enslaved. Many died of diseases brought by the Europeans.
I believe the centers of learning and art in the early middle ages were in monasteries.