New technologies and ideas were introduced to Europe as a result of the Crusades. Some of these technologie and ideas included... This source is on the same topic we're studying
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If this source was written at the time when the event happened
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Whats the question? Anyways i didnt see the comments

Explanation:

a   church leadership can be defined as a process of influencing other people to work together to accomplish a desired purpose.

in this case one person acting as a role model and influencing other to work as one person to accomplish a certain misson or purpose.

this can be either leading people to do the work of god