Social Contract: An implicit agreement among the members of a society to cooperate for social benefits, for example by sacrificing some individual freedom for state protection
Common Good: what is shared and beneficial for all or most members of a give or alternatively, what is achieved by citizenship, collective action, and active participation in the realm of politics and public service
Political Parties: A political party is defined as an organised group of people with at least roughly similar political aims and opinions, that seeks to influence public policy by getting its candidates elected to public office.
The Enlightenment: The Enlightenment is the period in the history of western thought and culture, stretching roughly from the mid-decades of the seventeenth century through the eighteenth century, characterized by dramatic revolutions in science, philosophy, society and politics; these revolutions swept away the medieval world-view and ushered in our modern western world.
John Locke: An English philosopher and physician, widely regarded as one of the most influential of Enlightenment thinkers and commonly known as the "Father of Liberalism
Jean Jacques Rousseau: Jean-Jacques Rousseau was a Francophone Gene van philosopher, writer, and composer of the 18th century.
Thomas Hobbes: Was an English philosopher who is considered one of the founders of modern political philosophy.