Which sentence uses the active voice?

the many awards were handed out by the school nurse and the principal.
the principal and the school nurse handed out the many awards.
the awards were many that were handed out by the school nurse and the principal.
the awards, handed out by the principal and the school nurse, were many.

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.