Why was from sea to shining sea written?

"From Sea to Shining Sea" was written to celebrate the vastness and beauty of the American landscape, capturing the spirit of exploration and the idea of Manifest Destiny. The song reflects a sense of national pride and unity, emphasizing the connection between the diverse regions of the United States. It conveys a message of hope and the promise of opportunity, resonating with the ideals of freedom and ambition that characterize the American experience.