Final answer:
The Enlightenment was a philosophical movement that emphasized the use of reason and advocated ideals such as liberty and progress. It challenged traditional institutions and paved the way for political revolutions.
Step-by-step explanation:
The Enlightenment, also known as the Age of Enlightenment, was a philosophical movement that dominated the world of ideas in Europe in the 18th century.
It emphasized the use of reason as the primary source of authority and advocated ideals such as liberty, progress, tolerance, constitutional government, and separation of church and state.
The Enlightenment challenged traditional religious and political institutions and paved the way for political revolutions.