Why does lina and the others in the city of ember not rebel against the life they must live?

Lina and the others in the city of Ember do not rebel because they have been conditioned to follow the rules and accept their way of life. The Mayor and the governing body control the information the citizens receive, limiting their understanding of the world outside Ember and discouraging thoughts of rebellion. Additionally, the citizens face constant threats of punishment if they disobey, creating fear and discouraging resistance.