Along with the Protestant Reformation came a large wave of anti-Catholic sentiment from various groups. Over the years, as the Catholic Church’s influence waned, anti-Catholic sentiment only grew stronger. It was time for some reform, and this time, the Church would work on fixing itself.
The Catholic Church’s influence was getting weaker, and it’s supporters realized that they had to do something. The most prominent supporters were St. Theresa of Avila and Ignatius Loyola.
St. Theresa established the Reformed Discalced Carmelites (a Catholic order for women) and helped revive Catholicism as a result. She proclaimed to have mystical experiences with God and believed that other people who experienced the same thing would be more faithful.
The Church was also reforming while its supporters were converting outsiders to Catholicism. After meeting through the Council of Trent,
they regulated indulgences instead of outright prohibiting them and began to consider scripture and tradition equal. However, they reinforced the supremacy of the Pope as well as had the Roman Inquisition
prohibit specific books to Catholics (Index of Prohibited Books