Answer: 4. Walt Whitman is known for his use of imagery.
Explanation:
Walt Whitman (1819-1892) was an American poet.
In his poems, Whitman often used<em> imagery</em> - vivid language and sensory details that engage the reader's senses and emphasize the author's point.
For instance, in <em>"Song of Myself"</em>, his famous poem, visual imagery is used multiple times in order to describe nature:
<em>"Where the panther walks to and fro on a limb overhead"
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<em>"Where the rattlesnake suns his flabby length on a rock"
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<em>"Where the alligator in his tough pimples sleeps by the bayou"
</em>, etc.