Johannes Gutenburg created the printing press during the renaissance. It was important because it made the mass production of printed materials possible. It also lead to a much wider dissemination of knowledge and literacy throughout the socioeconomics classes.
Feelings were nervous and frightening
There were no longer slaves involved
A major cause of the Protestant Reformation was the sale of indulgences by the Catholic Church. Martin Luther began early in his writings criticizing this practice in saying that the Pope had no authority or right to sell this type of indulgence.