The answer is; "Roman Pope Urban II rally Christians to help Byzantine emperor Alexius I <span>to drive the Muslim Turks from the Holy Land". </span>
The Council
of Clermont refers to <span>a gathering for reformation of church which is called by Pope Urban II in 1095, which,
because of a demand by envoys from the Byzantine emperror Alexius I Comnenus to
help the Greeks against the Muslim Turks, turned into the event for starting
the First Crusade. Urban II urged the French knights at Clermont to protect the
Holy Land from the Turks, shutting his discourse with the words "God wills
it," which turned into a battle cry of the crusaders; the occasion
initiated the medieval religious wars against the Muslims.</span>
