The treaty of versailles placed the blame of WW1 on Germany. They were required to pay a large sum of money which they did not have, and they were forced into surrender.
Clergy abuse caused people to distrust the Catholic Church As well as things such as indulgences aka buying forgiveness, and the Clergy doing what he tells people NOT to do, such as getting drunk, religious posts being sold, and misunderstanding the Sermon (a part of the Bible).
Where's the poll and the question, so that I may help you?