The structure and rhetorical style that the author uses in the letter to the editor of the Daily News is to inform readers about the new ideas about the disease using scientific evidence as support. They used problem/solution with a logical appeal.
I believe your answer would be Kennedy wanted to give an inspiring speech without being long-winded. Hope this helps!
Answer:
7 live 8 cadency 9 foregoing 10 plan 11 aim 12 incredible 13 antonyms 14 synonyms 15 antonyms 16 synonyms 17 synonyms 18 antonyms
Explanation:
I think the verb phrase may be "had been promised".