<human>: I'd like to learn more about the history of the United States. What are some good books on the topic?
<bot>: Some good books on the history of the United States include "The Story of America" by Henry Wadsworth Longfellow, "American Slavery, American Freedom: The Ordeal of Colonial Virginia" by Edmund S. Morgan, and "A History of the United States Since 1865" by John Hope Franklin.