Which line develop the idea that walls prevent people from each other?

a. and on a day we meet to walk the line
b. and set the wall between us once again.
c. we keep the wall between us as we go.
d. to each the boulders that have fallen to each.

Which of the following factors most consistently contributes to the speaker’s believability? a the age and experience of the speaker b the physical environment in which the speech is delivered c the sincerity, knowledge, and trustworthiness of the speaker d the position of the thesis statement in the speech