Answer:
The Scientific Revolution.
Explanation:
Before the dawn of the Scientific Revolution (and during it), the church was a very important part of European society. They prayed to and worshipped a god. after it happened, people became skeptical and questioned the existence of a god.
The Renaissance was a switch from medieval times to modern times.
The Enlightenment was a realization that happiness was very important.
The Crusades were religious wars between Muslims and Christians.
