What is the crying ??（┬┬＿┬┬）

Some researchers believe crying is a way your body gets rid of stress-related hormones. Other studies show tears may trigger the release of endorphins. Endorphins are hormones that make you feel good and reduce pain. A recent focus of research is the response people have to the chemical content of tears.

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explanation:

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.