During the First crusades, Christian knights captured Jerusalem in 1099
I don't remeber them having to pay taxes so I would say the first one.
<span>Economies of Scale. This means as firms produce more their average costs fall. ...Brand Loyaly. Some firms have high degrees of brand loyalty. ...Geographical Barriers. Some Industries are specific to a certain area. ...<span>Patents.
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Answer:
A B E and F because i did the question
Explanation: