The document discusses John L. O'Sullivan's 1839 article "The Great Nation of Futurity" which introduced the concept of "Manifest Destiny". It asks the reader to annotate the excerpt, noting language that shows how O'Sullivan views the United States, what language he uses, why he wrote the piece, and its purpose. It also asks how the piece connects to John Gast's painting on the right about westward expansion between 1803-1851 through events like the Louisiana Purchase, Oregon Trail, and establishment of reservations.