2. What part of a source should you summarize? O all of it
O just the first few paragraphs or pages
O just the sections that are related to your research question
O no more than a couple of sentences

All of it

Explanation:

You summarize all of it because you're giving a shortened version of the whole story, or article.

the answer is:  

he is voicing feelings shared by all humans regardless of race.

in paul laurence dunbar's poem "we wear the mask," he replicates the words mask and we to emphasize how people in general -not just black americans- hide their true feelings. he suggests the masks cover people's faces and eyes, which are the main parts that display their emotions. he also thinks people's pain conceal behind those masks, so that they cannot see reality and nobody is able to see one another's sorrow.

a rough draft essay is the final form of an essay after it has been edited and polished.