Final answer:
Walt Whitman's long and uneven lines create a conversational style in his poetry.
Step-by-step explanation:
One effect of Walt Whitman's long and uneven lines is that they create a conversational style. Whitman's use of long lines, often with a lack of punctuation, mimics the natural rhythm and cadence of spoken language. This helps to engage the reader and make the poem feel more personal and intimate.
Learn more about Walt Whitman's poetic style