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During the high Middle Ages, the Roman Catholic Church became organized into an elaborate hierarchy with the pope as the head in western Europe. He establish supreme power. Many innovations took place in the creative arts during the high Middle Ages. Literacy was no longer merely requirement among the clergy.
Alfred Marshall is credited with first using cost benefit analysis
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I think Religous Subject not sure tho
Explanation:
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only certain immigrants were allowed in. they was a LOT of unfair judgements placed upon people during this red scare.