What American poets and their poems are worth recommending? What is the reason for recommendation?

Leaves of Grass is19th century American writer Walter? Whitman's Romantic Poetry Collection is the first poetry collection with American national style and style in the history of American poetry, with more than 300 poems, which created a generation of poetic style and had a great influence on American poetry. His poems are free and unrestrained in rhythm, free and curly, magnificent and all-encompassing.