What topics in 17th-century French history did Port-Royal examine?

In his monumental work Port-Royal, Charles Augustin Sainte-Beuve examines the religious and literary history of France during the 17th century through the perspective of the Jansenist movement.12

The work focuses on the following key areas:

• Religious History: It chronicles the history of the Cistercian abbey of Port-Royal, which served as a center for Jansenism—a controversial movement within French Roman Catholicism known for its specific doctrines regarding grace.12
• Literary History: The text explores the literary landscape of the era, utilizing the internal records and viewpoints of the Jansenist community to provide insight into the intellectual climate of the time.12

By analyzing these records, Sainte-Beuve provides a comprehensive account of the religious and cultural tensions that defined a significant portion of 17th-century France.12