Can you help me? I help with this.

B

Explanation:

In MLA style the authors detail is written in parenthesis and the page number where it can be found.

Another way to put it could have been

Horner said:" this was an army trained on Horseback/ or, where the ground required, on foot".(55-56)

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.