Imagery and repetition are aspects of ?
a. formality
b. purpose
c. tone
d. word choice

C Tone

Explanation:

Descriptions like imagery and repetition show the characters personality, and can describe lightheartedness or dire situations in books or text. That and the fact that its the only one that makes sense.

- "the answers are a and b.  

when cullen speaks of planting while others reap, and standing "abject and mute," he is speaking about the racial injustices present in american society. as these injustices have changed over time, the american identity  has also shifted. those changes are, in turn, reflected in american literature."