What was the form of government in place in Florence during the
14th-15th century?

Oligarchy

Explanation:

where wealthy Aristocrats rule

social contract theory, nearly as old as philosophy itself, is the view that persons' moral and/or political obligations are dependent upon a contract or agreement among them to form the society in which they liv

they bring people together to achieve control of the government

basically choosinng what sets in   congress and presdicny this is to keepthe antion hole and so it can last because wiht out authority it wouldnt last a week