Question

an 18th century philosophical movement that advocated reason as the primary source of authority and legitimacy. scientific revolution industrial revolution american revolution enlightenment

Explanation:

The 18th-century philosophical movement advocating reason as the primary source of authority is the Enlightenment. The Scientific Revolution (16th-17th c.) focused on science, Industrial Revolution on technology/economics, American Revolution on political independence.

Answer:

D. Enlightenment