This would be describing a "thesis", which basically means an argument made by a historian based on original research (primary sources) and secondary research to add to an existing body of knowledge.
Answer: They searched for a new trade route
Explanation:
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Their religion, they devoted their lives to sacrifice even their kids to please their gods, which would in turn guide them through their everyday lives from crop growing to economy and buisiness
The answere whill be b beacuse it deals with european treaty assesments.