When an activist decides to use a song, speech, or video to communicate his message, he is using to reach his audience. a. a clear claim b. visual aids c. purposeful delivery d. strategic support

C. purposeful delivery is the answer because it is physically showin/ doing smth. sry if this is wrong 

Ifound this on google “preview — long walk to freedom by nelson mandela. “i am fundamentally an optimist. whether that comes from nature or nurture, i cannot say. part of being optimistic is keeping one's head pointed toward the sun, one's feet moving forward.” i hope this you for what your looking for.

Pardon me. to answer questions like this, we would have needed more information. for starters, two sentences from the excerpt that came with the question.