One of the leaders of the Reformation, John Calvin, was particularly influenced by the Renaissance philosophy of humanism. Why were so many Europeans willing to accept this new way of looking at life during 15th and 16th centuries?

Renaissance and humanism encouraged freedom of thought.

Explanation:

As a result of these two movements, Protestantism also emerged. Humanism and the Renaissance were an indication of radical changes in European society. Martin Liter, John Calvin pointed out all the omissions evident in the church and its hierarchy. It was clear to everyone that certain spiritual representatives used it for personal gain. Only the bravest pointed it out. It was also clear to everyone how rich the church was and that this was not what Jesus was advocating. This global dissatisfaction has led to general dissatisfaction, and in that fact lie the reasons for a large number of members of the Protestant supporters.

would not cooperate with each other voluntarily.