In most of his poetry, Walt Whitman emphasizes the significance of the individual and the importance of humankind. Whitman wrote during the 19th Century. Aiding the wounded in the Civil War influenced his writings. Walt Whitman wrote one book, Leaves of Grass, which took him a lifetime to write. His masterpiece is what made him famous. Whitman's poetry is very forthright and original ranging from anything imaginable. His style of writing was not usual organized word structure, but open-ended units and very free flowing. In his poetry he made long lists cataloging everything. His style was based on cadence the long easy sweep of sound that echoes the Bible and the speeches of orators and preachers. This cadence is the reason for Walt Whitman's free verse: poetry without rhyme or meter. Being constantly curious about who he was, Whitman often wrote about individuality.
He describes, "Faces of friendship, precision, suavity, ideality, the spiritual prescient face, the always welcome common benevolent face, the face of the singing of music, the grand faces of natural lawyers and judged broad of the backtop, the faces of hunters and fishers, bulged at the brows, the shaved blanched faces of orthodox citizens, . He wishes everyone could understand the value and the importance of humankind. He appreciates the world and all humankind. Those are some of the individual faces and personalities Whitman describes in his poem. He states, "The melodious character of earth. He can not understand why all this fighting and killing is taking place. " The theme in this poem is the individuality in America's people.