Definition

Reason of state is the doctrine that a state’s survival, security, or core interests can justify actions — including deception, covert action, or conduct that would otherwise be considered immoral or illegal — that would not be acceptable if undertaken by a private individual.

Historical Origin

The doctrine is associated historically with Niccolò Machiavelli’s 16th-century political writing and was later formalized as “raison d’État” under Cardinal Richelieu’s 17th-century French statecraft, becoming a recurring feature of realist international-relations thought and, in the 20th century, a common internal justification for covert intelligence operations.

How Supporters Understood It

Practitioners have generally understood reason of state as an unsentimental acknowledgment that international politics operates by different rules than personal or domestic morality, and that a state’s leaders bear a special responsibility to protect its interests even through otherwise unpalatable means.

Criticisms

Critics have long argued that reason of state provides a dangerously open-ended justification, easily invoked to legitimize action that serves narrower institutional, economic or political interests rather than any genuine, broadly shared national interest — a concern this archive’s documented covert-action cases illustrate directly.

Historical Uses

This archive documents reason-of-state justification in the CIA’s MKUltra program and its 1953 and 1954 covert operations in Iran and Guatemala, in each case involving officially stated security rationales that later historical investigation found were intertwined with, or in some measure subordinate to, other specific interests, including commercial ones in the Guatemalan case.

Documented Consequences

Reason-of-state justified covert action in the cases this archive documents produced lasting political instability, human rights abuses, and, in several cases, significant subsequent damage to the international reputation and diplomatic relationships of the states involved.

Misuse or Distortion of the Idea

The gap this archive’s Files identify — between the national-interest rationale offered publicly or internally at the time, and the fuller picture later revealed through declassification — is a recurring pattern reason-of-state doctrine’s critics have long warned makes it especially prone to serving narrower interests under a broader justificatory banner.

Counterarguments

Contemporary democratic governance has developed institutional checks — legislative oversight committees, declassification requirements, judicial review — specifically intended to subject reason-of-state claims to independent scrutiny rather than accepting executive assertion of national interest at face value, a direct institutional response to cases like those documented in this archive.

Bibliography

Primary Sources

[1]Primary Source

The Prince

Official Records

[2]Government Record

The Battle for Iran

Major Thinkers

  • Niccolò Machiavelli
  • Cardinal Richelieu

Historical Origin

Associated historically with Machiavelli (16th century) and Cardinal Richelieu's "raison d'État" (17th century); a recurring justification for covert state action through the 20th century.