Select the correct answer from each drop-down menu.
select the correct word or phrase to complete the following sentences about enlightenment philosophers.

many philosophers wrote down their philosophies about the government and . a number of philosophers published books on the subject. they applied the idea of to social and political analysis. thomas hobbes wrote leviathan, a book about social structure and government. he wrote about the , an agreement in which the people exchanged some of their individual freedoms for the government’s protection.