Islamic scholars expertly gathered data and ordered it so that people could easily understand and reference information through various texts. They also summarized many Greek and Roman writings, compiling encyclopedias. Rather than being a subject in its own right, medicine was part of medieval Islamic culture.
Answer:
It is b
Explanation:
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The answer would be D: Russia signs a treaty with the Central Powers ending its participation in World War I.
I think the answer to this is C
