Central Intelligence Agency Factbook: https://www.cia.gov/library/publications/the-world-factbook/

The CIA’s worldwide factbook containing history, people and society, government, economy, geography, communications, transportation, military and transnational data for over 200 countries around the globe.

Library of Congress: www.loc.gov

An easy to use reference catalog for accessing the collections in the Library of Congress.

National Archives: https://www.archives.gov

The online directory of U.S. Federal records, veterans’ service records and America’s founding documents.

U.S. Depar...