In the excerpts from the poems, "Harlem" and "The Weary Blues", Hughes has used the imagery, to establish tone. Imagery is used to let the readers feel the fictional world.
What is imagery?
Imagery is a figurative language which is used to make the audience or the readers feel and imagine the impressions of the literature. Imagery plays with the mental level of the readers and creates an image of the fiction.
The excerpts from both the poems, "Harlem" and "The Weary Blues", includes imagery to create a tone in the poems, which helps the readers to connect with the poems in a better way.
Therefore, option A, 'to establish tone', is correct.
Learn more about, Imagery, here,
https://brainly.com/question/14281270
