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Definition of National security

National security Definition from Government Dictionaries & Glossaries
DOD Dictionary of Military Terms
A collective term encompassing both national defense and foreign relations of the United States. Specifically, the condition provided by: a. a military or defense advantage over any foreign nation or group of nations; b. a favorable foreign relations position; or c. a defense posture capable of successfully resisting hostile or destructive action from within or without, overt or covert. See also security.
Source: U.S. Department of Defense, Joint Doctrine Division. ( About )
National security Definition from Social Science Dictionaries & Glossaries
National Standards for Civics and Government
Condition of a nation's safety from threats, especially threats from external sources.
National security Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
National security is a concept that a government, along with its parliaments, should protect the state and its citizens against all kind of "national" crises through a variety of power projections, such as political power, diplomacy, economic power, military might, and so on.

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