What was Rousseau's concept about the state

What was Rousseau's concept about the state? 

Answer: Rousseau, a thinkers, is regarded as an inspiration behind the French Revolution. 

1. According to him, the society creates a Political state for a stable life. 

2. The state is not a divine creation but is the outcome of a sort of unwritten social contract. 

3. If the state failed to abide by the terms of the contract, people have natural and moral rights to overthrow the state authority.