Answer:
After the death of the Islamic prophet Muhammad in 632, a group of Muslims, who would come to be known as the Sunnis, believed that Muhammad's successor should be Abu Bakr whereas a second group of Muslims, who would come to be known as the Shia, believed that his successor should have been Ali.
The Enlightenment produced numerous books, essays, inventions, scientific discoveries, laws, wars and revolutions. The American and French Revolutions were directly inspired by Enlightenment ideals and respectively marked the peak of its influence and the beginning of its decline.