Leaves of Grass by Walt Whitman | Pioneers! O Pioneers!
O Pioneers Book Review
"Pioneers! O Pioneers!" is a poem by the American poet Walt Whitman. It was first published in Leaves of Grass in 1865. The poem was written as a tribute to Whitman's fervor for the great Westward expansion in the United States that led to things like the California Gold Rush and exploration of the far west.