The following sentence communicates a tone “now is the time to international policy from the quicksand of racial injustice to the solid rock of human dignity” scolding disappointment urgent determined

urgent .

Explanation:

greet them:

buenas noches.

that is considered night time which is when "good night" is used.

the autor of the text is bringing the point that one achievment of the president john f. kennedy was a success and this caused the next president to use a similar idea. the purposefor the use of the quotation in the text is to support the idea that peace corps was a result of the president's call. in this case, the quotation is presented as part of the writing and does not stand on its own.

answer a.