It is said that a picture is worth a 1000 words. If you Google manifest destiny and ask for images, one of the common images that appears is a painting (circa 1872) by John Gast called American Progress. The painting is sometimes considered a visual representation of manifest destiny. Take a look at this picture.
In a 2 to 3 page essay discuss the reality of the manifest destiny movement. How did promote economic growth? What did that growth cost in terms of human suffering. Was it worth it?