Answer:
The speech was made outside in the open air to accommodate the vast crowd that had come to hear him. 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.
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That it was too large for the Union to conquer.
The answer is number four, land
It was feudalism. you have to look at the frame of the crusades.
