Official web portal for the United States government. Includes federal, state, and local government resources, a guide to government agencies, online services,. www. usa. gov -. Ben's Guide to U. S. Government for Kids on GPO Access provides a basic introduction to the Federal Government. A service of the Superintendent of Documents, U. S. Government Printing Office. bensguide. gpo. gov/. Access to thousands of U. S. Government web sites, more than a 1/2 million U. S. Government documents, databases and other information products. From the U. S. Department of Commerce's National Technical Information Service Technology Administration. United We Stand. www. fedworld. gov/. The Influenza Pandemic occurred in three waves in the United States throughout 1918-1919. Learn about the pandemic, the Nations health, the medical care system, and how they were affected. www. pandemicflu. gov/. As the official handbook of the Federal Government, the United States Government Manual provides comprehensive information on the agencies of the legislative, judicial, and executive branches. www. gpoaccess. gov/gmanual/index. html. The Government Printing Office provides free public access to full-text federal documents, official federal information, federal information finding aids and federal products for sale. The U. S. Government Printing Office disseminates official information from all three branches of the Federal Government. www. gpoaccess. gov/index. html. The Department of Health and Human Services is the United States government's principal agency for protecting the health of all Americans and providing essential human services, especially for those who are least able to help themselves. www. os. dhhs. gov/. Embed URL. bb&ob; border:1px solid #ffffff; &cb;.