They only read the Qur'an and other works that had been written by Muslims and this best describes the studies of Muslim philosophers during the Middle Ages. The correct option among all the options that are given in the question is option "a". The Muslims of the Middle Ages progressed due to their progressive thinking.
"A. Very few Roman emperors in the centuries after Augustus
<span> were competent rulers; most were insane, greedy, or both" is true. This was of course a very early beginning of the end...</span>
The similarity between the Rise of Soviet and Chinese communism was Both Russia and China became communist nations right after a civil war.
<h3>How did Russia and China become Communist nations?</h3>
Russia became communist when the Communist party under Lenin waged a Civil War and defeated the forces that opposed them.
China took the same path and became a Communist nation under Mao Zedong who led them to victory against the Nationalist Party.
Find out more on the Chinese Civil War at brainly.com/question/3440995.
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they are usually elected by popular vote. please brainiest