Final answer:
Whitman most likely chooses the structure of his poem, 'I Hear America Singing,' to represent the diversity and unity of the American people, reflecting his ideals of democracy and individualism.
Step-by-step explanation:
Whitman most likely chose the structure of his poem, 'I Hear America Singing,' to represent the diversity and unity of the American people. The poem is composed of individual working-class professionals singing their unique songs, representing the variety of voices and contributions in America. By presenting these diverse voices together in a collective chorus, Whitman reflects his ideals of democracy and individualism. The structure of the poem also reflects the free verse style that Whitman commonly used, allowing for a natural and unrestrictive flow of thoughts and emotions.