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.
Power projection is a term used in military and political science to refer to the capacity of a state to apply all or some of its elements of national power - political, economic, informational, or military - to rapidly and effectively deploy and sustain forces in and from multiple dispersed locations to respond to crises, to contribute to deterrence, and to enhance regional stability.
In social science and politics, power is the ability to influence or outright control the behavior of people.
Diplomacy is the art and practice of conducting negotiations between representatives of states.
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The concept developed mostly in the United States after World War II. Initially focusing on military might, it now encompasses a broad range of facets, all of which impinge on the non-military or economic security of the nation and the values espoused by the national society.
The United States of America, commonly referred to as the United States or America, is a country composed of 50 states, a federal district, five major self-governing territories, and various possessions.
Economic security or financial security is the condition of having stable income or other resources to support a standard of living now and in the foreseeable future.
World War II, also known as the Second World War, was a global war that lasted from 1939 to 1945, although related conflicts began earlier.
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Accordingly, in order to possess national security, a nation needs to possess economic security, energy security, environmental security, etc. Security threats involve not only conventional foes such as other nation-states but also non-state actors such as violent non-state actors, narcotic cartels, multinational corporations and non-governmental organisations; some authorities include natural disasters and events causing severe environmental damage in this category.
Violent non-state actors are non-state actors, i.e. "individuals or organizations that have economic, political or social power and are able to influence at a national and sometimes international level but do not belong to or ally themselves to any particular country or state," who employ violence in pursuit of their objectives.
A nation state is a type of state that joins the political entity of a state to the cultural entity of a nation, from which it aims to derive its political legitimacy to rule and potentially its status as a sovereign state if one accepts the declarative theory of statehood as opposed to the constitutive theory.
A natural disaster is a major adverse event resulting from natural processes of the Earth; examples include floods, hurricanes, tornadoes, volcanic eruptions, earthquakes, tsunamis, and other geologic processes.
maintaining effective armed forces
The armed forces of a country are its government-sponsored defense, fighting forces, and organizations.
implementing civil defense and emergency preparedness measures
Civil defense, civil defence or civil protection is an effort to protect the citizens of a state from military attacks and natural disasters.
Disaster management is the creation of plans through which communities reduce vulnerability to hazards and cope with disasters.
ensuring the resilience and redundancy of critical infrastructure
Critical infrastructure is a term used by governments to describe assets that are essential for the functioning of a society and economy - the infrastructure.
using intelligence services to detect and defeat or avoid threats and espionage, and to protect classified information
An intelligence agency is a government agency responsible for the collection, analysis, and exploitation of information and intelligence in support of law enforcement, national security, military, and foreign policy objectives.
Classified information is material that a government body claims is sensitive information that requires protection of confidentiality, integrity, or availability.
Espionage is the obtaining of information considered secret or confidential without the permission of the holder of the information.
using counterintelligence services or secret police to protect the nation from internal threats
Secret police are intelligence services or police and law enforcement agencies which operate in secrecy.
This article is a subset article of intelligence cycle security.