Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture Money Videos
intelligence
Table of Contents
References & Edit History Related Topics
For Students
intelligence summary
Related Questions
Read Next
Ethel Rosenberg arrested in August 1950. Photograph dated Aug. 8, 1950. American civilians executed for espionage. Spies, communists, Julius Rosenberg
Spies Like Us: 10 Famous Names in the Espionage Game
Text Top Secret typed on retro typewriter
How Secret Is Top Secret?
Discover
Snowshoe hare (Lepus americanus) with its Summer coat on the left side and its winter coat on the right.
7 Animals That Turn White in Winter
American bison (Bison bison) also known as buffalo or plains buffalo on the prairie, western U.S.
What’s the Difference Between Bison and Buffalo?
Statue of Nostradamus
Nostradamus and His Prophecies
The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)
New Seven Wonders of the World
Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,
Which Religion Is the Oldest?
Groups of depositors in front of the closed American Union Bank, New York City. April 26, 1932. Great Depression run on bank crowd
Causes of the Great Depression
Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)
7 of the World’s Deadliest Shipwrecks

intelligence: Related Content

verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style
Share
Share to social media
URL
https://www.britannica.com/facts/intelligence-international-relations
Written and fact-checked by
The Information Architects of Encyclopaedia Britannica

The Information Architects maintain a master list of the topics included in the corpus of  Encyclopædia Britannica, and create and manage the relationships between them.
The Information Architects of Encyclopaedia Britannica

Related Topics and References

Topics

Key People

Noor Inayat Khan
Noor Inayat Khan
British resistance agent
William H. Webster
United States government official
Vladimir Putin
Vladimir Putin
president of Russia
Sir Francis Walsingham, detail of a panel painting attributed to John de Critz the Elder, last quarter of the 16th century; in the National Portrait Gallery, London.
Sir Francis Walsingham
English statesman
Paul Kagame
Paul Kagame
president of Rwanda
Louis XV, detail of a portrait by Hyacinthe Rigaud; in the Chateau de Versailles
Louis XV
king of France
Edward Snowden
Edward Snowden
American intelligence contractor
Aaron Bank
United States Army officer
Chelsea Manning
Chelsea Manning
United States Army intelligence analyst
John Brennan
John Brennan
American intelligence officer
John Cairncross
British civil servant and spy
John M. Deutch
American government official
Ralph Van Deman
United States general
Church, Frank; Carter, Jimmy
Frank Church
American politician
John Negroponte.
John Negroponte
United States government official
Porter Goss
American politician
Coats, Dan
Dan Coats
United States senator
Allen W. Dulles.
Allen W. Dulles
United States statesman
Philby, Kim
Kim Philby
British intelligence officer and Soviet spy
Anthony Blunt
British art historian and spy

Related Quizzes and Features

List
Ethel Rosenberg arrested in August 1950. Photograph dated Aug. 8, 1950. American civilians executed for espionage. Spies, communists, Julius Rosenberg
Spies Like Us: 10 Famous Names in the Espionage Game
Demystified
Text Top Secret typed on retro typewriter
How Secret Is Top Secret?