The answer is b
Hope that helps
The Catholic Church was challenged on its teachings regarding penance (repentance of sin), indulgences (removal of guilt), and the authority of the pope. This led to the beginning of the Protestant Reformation when Martin Luther posted which of these documents on the doors of Castle Church in defiance of Rome? the 95 Theses on the Papacy in Rome work on the Psalms sermon on Good Works
I believe the answer is: The printing press allowed mass production of books that spread new scientific ideas.
The invention of printing press make it easier for people to obtain information that they previously couldn't have dream to have access on. The number of Literacy rate after the printing press soar along with the number of scholars who choose to pursue higher education.
One of the best songs of the sixties that I have heard was “The
Times They Are A Changing” by Bob Dylan.
Clearly this song reflects the growing change in attitude among the
young during the sixties as if they were now showing their breaking away from
the ideals and beliefs of their parents.
How they were now asserting their views for it was their time and they
showed during that period in history.