Answer:
- "Leaves of Grass".
Step-by-step explanation:
Walt Whitman, one of the most acknowledged poet, journalist, and essayist of America. He gained popularity after publishing his huge collection of poems in an organized and thematic pattern by the name 'Leaves of Grass' in 1855. Through this work, Whitman amalgamated his beliefs and ideals and reflects them through his poetry collection in one single frame and therefore, makes it a rich and prolific collection that is well appreciated by the audience.
The poems like "song of myself' that glorifies individualism, symbolism in "The Sleepers", etc. Each poem has a different subject and reflective of Whitman's philosophy yet they all are connected together that proposes a 'coherence' and 'cohesiveness' to his work. Therefore, the vast collection of poems in 'Leaves of Grass' led Whitman to the peak of his career.