He was an author so he contributed by writing books to acknowledge the age of enlightment of literature and... other things!
It would be A. Examples of civilizations in the Arabian Peninsula hope his helps
The church played a very important role because it was "all around" in medieval times. On the level of almost every village there was a church and a priest which helped spread the word of the christian god. Through this, almost every person down to a villager somewhere in a village in Europe was able to come to church where people gathered on Sundays and hear new information and educate himself on various things related to faith and religion.
During the prosperous 1920's<span>, bank failures, together with low incomes among farmers and factory workers, helped set the stage for the </span>depression<span>.</span>
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