Which of the following best describes the theme of Dickinson's "Success"? 1. A person cannot truly understand the sweetness of victory as long as he is the victor.
2. You never get what you want because, if you did, it wouldn't seem so good.
3. The grass is always greener on the other side.
4. Success is just as sweet to the success as it is to the unsuccessful.

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.