Answer:
this is in your text book
Explanation:
They all studied the social contract.
It was important in the development of astronomy and science because it was the first model that aimed to predict how the planets move in their orbits. Despite being a complicated mix of circles and epicycles it was not a bad model and it worked well for at least 1500 years until observations became accurate enough to show its imperfections
As many people suppose one well organized event in which Tsar Nicholas ll was overthrown and Lenin and the bolsheriks took power
