 This era is filled with theories that equate meaningful existence with the social order.Classical liberalism is a set of ideas that arose in the 17th and 18th centuries, out of conflicts between a growing, wealthy, propertied class and the established aristocratic and religious orders that dominated Europe.Liberalism cast humans as beings with inalienable natural rights (including the right to retain the wealth generated by one's own work), and sought out means to balance rights across society.