Solution:
Both (A) and (R) are true and (R) is the correct explanation of (A).Religion played a pivotal part in print culture. As the practice of printing started to grow, so did the educated mass also started to increase. The religious domain of the church was so much that the normal people were not able to tell anything. But as the atrocities and the orthodoxy of the Catholic Church increased, Martin Luther in 1517 had written 95 theses criticizing the church. The criticism of the Catholic Church was based on the various practices of the Church. Since printed books were available a lot to normal people, therefore more and more people started to read Martin Luther’s work. As a result, later on, this led to the Protestant Reform movement.