Answer: I hope this isn't confusing! Answer is below(:D)
Protestantism began in Germany in 1517, when Martin Luther published his Ninety-five Theses as a reaction against abuses in the sale of indulgences by the Catholic Church, which purported to offer the remission of the temporal punishment of sins to their purchasers.
The major causes of the protestant reformation include that of political, economic, social, and religious background. ... Economic and social causes: technological advances and the ways the church were collecting revenue, Political: distractions with foreign affairs, problems with marriage, challenges to authority.
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. Furthermore, the clergy did not respond to the population's needs, often because they did not speak the local language, or live in their own diocese.