Answer:
1)Causes of Reformation: The start of the 16th century, many events led to the Protestant reformation. Clergy abuse caused people to begin criticizing the Catholic Church. The greed and scandalous lives of the clergy had created a split between them and the peasants.
2)His “95 Theses,” which propounded two central beliefs—that the Bible is the central religious authority and that humans may reach salvation only by their faith and not by their deeds—was to spark the Protestant Reformation.