All of the following are examples of supporting materials, except: a. tina tells a story about a child who was killed in a drunk driving accident. b. jake summarizes the main points of his speech by restating his thesis in his conclusion. c. natalie quotes a physician who has studied cancer and treated patients for many years. d. josh explains that the us spends more on its military than 28 of the other top spending countries combined.

Just took the test and the answer is actually B.

a-he encouraged islamic schools to introduce greek texts.

d-he invited greek scholars to teach their texts to the locals.

explanation:

the transmission of the greek classics to latin western europe during the middle ages was a key factor in the development of intellectual life in western europe.[1] interest in greek texts and their availability was scarce in the latin west during the earlier middle ages, but as traffic to the east increased so did western scholarship.

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