What would people be like? What would they wear? How would they spend their days?
=> People would have brown hair and blue eyes. They would wear t-shirts which have chocolate stickers on it and white trousers. People would always swim and walk at mornings. And they would also do sports and shopping.
A system of government? The history of the society? What would the rules and laws be?
Democrasy is the system of government. It has many historical places and there are ruins from the past. Their rules are they mustn't throw trash to the floor. They mustn't make their planet dirty.