It’s c he was disappointed with his mother.
The correct answer is letter b. the use of repetition. The part of the speech that is so effective in reinforcing Kennedy's message is that it shows repetition. By definition, repetition <span>is a </span>literary device<span> that repeats the same words or phrases a few times to make an idea clearer. This makes Kennedy's message so effective in reinforcing.</span>
Advantages of a vegetarian diet, Biased
lowering the drinking age, unbiased
use of animals in medical experiments, biased
harmful effects of television, biased
I think the last one is biased but I'm not sure, sorry