Thomas Hobbes is known for his social contract theory. It explains that people within a government have obligations to fulfill for the country. The government, on the other hand, have to grant the rights of the people. Two are bound to each with a social contract, an agreement. However, if the government neglects its duties to the people, they have the right not to follow or replace those that are in the leadership.
As a young man, he worked as a surveyor then fought in the French and Indian War (1754-63). During the American Revolution, he led the colonial forces to victory over the British and became a national hero