National defense refers to the military activities carried out by the state to guard against and resist aggression, stop armed subversion and terrorists, and safeguard the sovereignty, unity, territorial integrity and security of the country, as well as military-related political, economic, scientific and technological, diplomatic and educational activities.
significance: (1) national security. (2) The premise of national independence. (3) An important condition for the prosperity and development of the country.
Basic explanation: The ancients regarded propriety as a security force to safeguard the social state, which must be strictly observed and prevented from overstepping, and it was called national defense. Today refers to all measures taken to defend national sovereignty, territorial integrity and security, and to defend against foreign armed aggression and subversion.
It's better to be humble than to hide in the suburbs and worship national defense. -"The Biography of Kong Rong in the Later Han Dynasty"
National defense came into being with the emergence of the country and served the national interests. Churchill famously said, "We have no eternal friends or enemies, only eternal interests." National defense in this language is directly related to national security, national dignity and social development.
Modern national defense is also called social national defense, great national defense and national defense, including armed construction, national defense system, military science and technology and industry, national defense engineering, military communications, manpower mobilization, national defense education and national defense laws and regulations, and it is a huge and complex system. From the supreme head of state to every citizen, from military to politics, economy, culture, education, science and technology and ideology are closely related to it.
Modern national defense takes military forces as the core, and also includes relevant non-military forces; It attaches importance to the country's war potential, especially the mobilization efficiency in wartime; It is also a competition of comprehensive national strength based on economy and science and technology. The modern army is an armed group with intensive knowledge and technology, and it emphasizes that quality is better than "crowd tactics". The role of national defense in peacetime is deterrence, which requires winning without fighting; The responsibility of national defense in wartime is actual combat and the goal is victory.
object: the object of national defense refers to the behavior that national defense should guard against, resist and stop. According to the definition of the National Defense Law of the People's Republic of China, the object of national defense is "aggression" and "armed subversion". What national defense should guard against and resist is "aggression", and what national defense should stop is "armed subversion".
type:
expansion type. In order to safeguard their own interests around the world, big countries pursue hegemonism, invade, subvert and infiltrate other countries.
self-defense. We should rely mainly on our own strength, win extensive international support, prevent foreign enemies from invading and safeguard our own security. Adhere to the principle of peaceful and independent defense, never expand, and never allow other countries to invade an inch of our country.
alliance type. In the form of alliance, unite with other countries to make up for their own strength. It can be divided into expansion and self-defense, and it can also be divided into monistic and pluralistic alliances. The former has a big country as the leader.
neutral type. Small and medium-sized developed countries strictly abide by the peaceful and neutral national defense policy, and formulate the overall defense strategy and the defense system that includes soldiers and people. Such as Switzerland.
China's pursuit of peaceful rise belongs to active defense and self-defense.