The immediate cause of its fall was pressure by the Ottoman Turks. ... In 1204, the Fourth Crusade conquered Constantinople, partly because the Venetians wanted to eliminate the Byzantines as competition in trading matters. Hope this helps
The mass of the objects ? (you did not give us any certain word)
<span>The reason and cause of the crusades was a war between Christians and Muslims which centered around the city of Jerusalem and the Holy places of Palestine.</span>
to protect white settlers
HOPE THIS HELPED!!! XD