I am going to say 1 because it started 2.5 billion years ago and is still hapinung today
Answer:
On November 27, 1095, Pope Urban II makes perhaps the most influential speech of the Middle Ages, giving rise to the Crusades by calling all Christians in Europe to war against Muslims in order to reclaim the Holy Land, with a cry of “Deus vult!” or “God wills it!”
Born Odo of Lagery in 1042, Urban was a protege of the great reformer Pope Gregory VII. Like Gregory, he made internal reform his main focus, railing against simony (the selling of church offices) and other clerical abuses prevalent during the Middle Ages. Urban showed himself to be an adept and powerful cleric, and when he was elected pope in 1088, he applied his statecraft to weakening support for his rivals, notably Clement III.Explanation:
Answer:
A. They believed that the church had moved away from its core teachings and become corrupt
Explanation:
In the 1400's, lot of changes started to happen in Europe, and the majority of them were going against the Church and its power. One of the things that was happening that a constantly increasing number of people were dissatisfied with the Church because it became very corrupt, brutal, and moved away from the core teachings of the Christianity. This led to the formation of the Protestant Movement, which quickly escalated and the Church got divided, with the new Protestant Movement creating its own churches and teachings, while the Catholic Church lot of its followers, territory, and power. Unfortunately this also led to persecutions and lot of violence.