National security
National security, or national defence (national defense in American English), is the security and defence of a sovereign state, including its citizens, economy, and institutions, which is regarded as a duty of government. Originally conceived as protection against military attack, national security is widely understood to include also non-military dimensions, such as the security from terrorism, minimization of crime, economic security, energy security, environmental security, food security, and cyber-security. Similarly, national security risks include, in addition to the actions of other nation states, action by violent non-state actors, by narcotic cartels, organized crime, by multinational corporations, and also the effects of natural disasters.
"National defense" redirects here. For other uses, see National defense (disambiguation).Governments rely on a range of measures, including political, economic, and military power, as well as diplomacy, to safeguard the security of a nation state. They may also act to build the conditions of security regionally and internationally by reducing transnational causes of insecurity, such as climate change, economic inequality, political exclusion, and nuclear proliferation.
The concept of national security remains ambiguous, having evolved from simpler definitions which emphasised freedom from military threat and from political coercion.[1]: 1–6 [2]: 52–54 Among the many definitions proposed to date are the following, which show how the concept has evolved to encompass non-military concerns:
By region[edit]
Argentina and Brazil[edit]
National security ideology as taught by the US Army School of the Americas to military personnel was vital in causing the military coup of 1964 in Brazil and the 1976 one in Argentina. The military dictatorships were installed on the claim by the military that Leftists were an existential threat to the national interests.[40]