Nimportant effect of islamic expansion in the 700s ce on the civilization of europe in the middle ages was that it a) caused vienna to fall to arab control. b) changed artistic styles of western europe. c) caused massive reforms in the christian church. d) to keep alive knowledge from classical civilizations.

An important effect of Islamic expansion in the 700s CE on the civilization of Europe was that it helped to keep alive knowledge from classical civilizations. Muslim universities were considered the most advanced and “cutting edge” in the world. Not only did they make their own advances in science and math, but they kept alive much of the classic knowledge of the Greeks that medieval Europe had ignored for centuries

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the answer is b: an economic crisis throughout the country.