Question

How did pope urban ii speech at Clermont in 1905 asking for crusades against Muslim invaders, impact the development of Europe?

Answer 1

Hint:
1) Pope Urban II, also called Odo of Chatillon or Otho de Lagery, was the top of the Catholic Church and leader of the Papal States from 12 March 1088 to his demise.
2) As pope, he managed Antipope forbearing III, infighting of different Christian countries, and the Muslim attacks into Europe.

Complete answer:
In 1095 he began lecturing the First Crusade (1095–99). He guaranteed absolution and exoneration for the entirety of the past sins of the individuals who might battle to recover the blessed land from Muslims, and free the eastern churches.

 This exculpation would likewise apply to those that would battle the Muslims in Spain. While the First Crusade brought about the freedom of Jerusalem from the Fatimids, Pope Urban II passed on before he could get this news.

Pope Urban II makes maybe the most compelling discourse of the Middle ages, offering access to the Crusades by calling all Christians in Europe to battle against Muslims to recover the Holy Land, with a cry of "Deus vult!" or "God wills it!".

Urban II's sermon proved highly effective, as he summoned the attending nobility and the people to wrest the holy land and the eastern churches generally, from the control of the Seljuk Turks. This was the speech that triggered the crusades.

Note:
1) Urban II's development took its first open shape at the committee of Piacenza, where, in March 1095, Urban II got a representative from the Byzantine sovereign requesting help against the Muslim seljuk Turks who had taken over the vast majority of in the past Byzantine Anatolia.

2) An incredible gathering met, went to by various Italians, Burgundian, and French ministers in such immense numbers it must be held in the outdoors outside the city of Clermont. Despite the fact that the Council of Clermont held in November of the very year was essentially centred around changes inside the congregation progressive system, Urban II gave a discourse on 27 November 1095 to a more extensive crowd.