Oklahoma did not tax the electronics
Answer: A secondary source of information is one that was created later by someone who did not experience first-hand or participate in the events or conditions you're researching.
Explanation:
1) riches - yes, this is correct!
2) <span>gain control of the Holy Land from Muslim control - this was the "real", official reason, what people openly admitted
and I think that the third one will be adventure, as neither trade routes nor political freedom played a role in the Crusades.
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Agriculture plays a crucial role in the rise and development of civilizations, since it allows for there to be a "food surplus"--meaning that people other than farmers can spend time and effort developing new skills and practicing new trades.