human
I'm trying to learn more about the history of the United States. Any suggestions on good sources of information?
assistant
1.  The Library of Congress website is a great resource for learning about U.S.
2.  The National Archives and Records Administration website provides access to historical documents, photos, maps, and more from all branches of the federal government.
3.  The Smithsonian Institution's National Museum of American History website contains an extensive collection of primary source materials related to the history of the United States.
4.  The Gilder Lehrman Institute of American History website offers resources for researching the history of the United States.