Why did the First Crusade happen? A) The Eastern Orthodox church wanted to unite all Europe's Christians under its authority.

B) European Christians wanted to expand their trade opportunities in the Middle East.

C) Pope Urban II feared that the Seljuk Turks might keep Christians from visiting the Holy Land.

D) Jews wanted to reclaim important religious sites in Palestine from Muslim caliphs.

I will give Brainliest to the most dependable answer- (No Links)
(Please explain your answer to get full credit/Brainliest)

The First Crusade (1095-1102 CE) was a military campaign by western European forces to recapture Jerusalem and the Holy Land from Muslim control. Conceived by Pope Urban II following an appeal from the Byzantine emperor Alexios I Komnenos, around 60,000 soldiers and at least half again of non-combatants set off on their quest.

Explanation:

The Europeans wanted to take back Jerusalem and the holy lands back from the Muslims

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