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War is a state of armed conflict between states, governments, societies, and informal paramilitary groups, such as mercenaries, insurgents, and militias. It is generally characterized by extreme violence, aggression, destruction, and mortality, using regular or irregular military forces. Warfare refers to the common activities and characteristics of types of war, or of wars in general.[1] Total war is warfare that is not restricted to purely legitimate military targets, and can result in massive civilian or other non-combatant suffering and casualties.

The scholarly study of war is sometimes called polemology (/ˌpɒləˈmɒlədʒi/ POL-ə-MOL-ə-jee]]]]emoseaning "war", and-logy

While some scholars see war as a universal and ancestral aspect of human nature,[2] others argue it is a result of specific socio-cultural, economic, and/or ecological circumstances.[3]

Etymology


The English word war derives from the 11th-century Old English words wyrre and werre, from Old French werre (also guerre as in modern French), in turn from the Frankish werraProto-Germanic werzō 'mixture, confusion'. The word is related to the Old Saxon werran, Old High German werran, and the German verwirren, meaning “to confuse”, “to perplex”, and “to bring into confusion”.[4]

Types of warfare


  • Asymmetric warfare is a conflict between belligerents of drastically different levels of military capability and/or size.
  • Biological warfare, or germ warfare, is the use of weaponized biological toxins or infectious agents such as bacteria, viruses, and fungi.
  • Chemical warfare involves the use of weaponized chemicals in combat. Poison gas as a chemical weapon was principally used during World War I, and resulted in over a million estimated casualties, including more than 100,000 civilians.[5]
  • Cold warfare is an intense international rivalry without direct military conflict, but with a sustained threat of it, including high levels of military preparations, expenditures, and development, and may involve active conflicts by indirect means, such as economic warfare, political warfare, covert operations, espionage, cyberwarfare, or proxy wars.
  • Conventional warfare is declared war between states in which nuclear, biological, or chemical weapons are not used or see limited deployment.
  • Cyberwarfare involves the actions by a nation-state or international organization to attack and attempt to damage another nation's information systems.
  • Insurgency is a rebellion against authority, when those taking part in the rebellion are not recognized as belligerents (lawful combatants). An insurgency can be fought via counter-insurgency warfare, and may also be opposed by measures to protect the population, and by political and economic actions of various kinds aimed at undermining the insurgents' claims against the incumbent regime.
  • Information warfare is the application of destructive force on a large scale against information assets and systems, against the computers and networks that support the four critical infrastructures (the power grid, communications, financial, and transportation).[6]
  • Nuclear warfare is warfare in which nuclear weapons are the primary, or a major, method of achieving capitulation.
  • Total war is warfare by any means possible, disregarding the laws of war, placing no limits on legitimate military targets, using weapons and tactics resulting in significant civilian casualties, or demanding a war effort requiring significant sacrifices by the friendly civilian population.
  • Unconventional warfare, the opposite of conventional warfare, is an attempt to achieve military victory through acquiescence, capitulation, or clandestine support for one side of an existing conflict.

History


The earliest evidence for prehistoric warfare belongs to the Mesolithic cemetery Site 117, which has been determined to be approximately 14,000 years old. About forty-five percent of the skeletons there displayed signs of violent death.[7]War%20Before%20Civilization%3A%20The%20]] gunpowder aken place between 3500 BC and the late 20th century, costing 3.5 billion lives, leaving only 300 years of peace (Beer 1981: 20)."[9] An unfavorable review of this estimate[10] mentions the following regarding one of the proponents of this estimate: "In addition, perhaps feeling that the war casualties figure was improbably high, he changed "approximately 3,640,000,000 human beings have been killed by war or the diseases produced by war" to "approximately 1,240,000,000 human beings...&c."" The lower figure is more plausible,[11] but could also be on the high side, considering that the 100 deadliest acts of mass violence between 480 BC and 2002 AD (wars and other man-made disasters with at least 300,000 and up to 66 million victims) claimed about 455 million human lives in total.[12] Primitive warfare is estimated to have accounted for 15.1 % of deaths and claimed 400 million victims.[13] Added to the aforementioned (and perhaps too high) figure of 1,240 million between 3500 BC and the late 20th century, this would mean a total of 1,640,000,000 people killed by war (including deaths from famine and disease caused by war) throughout the history and pre-history of mankind. For comparison, an estimated 1,680,000,000 people died from infectious diseases in the 20th century.[14] Nuclear warfare breaking out in August 1988, when nuclear arsenals were at peak level, and the aftermath thereof, could have reduced human population from 5,150,000,000 by 1,850,000,000 to 3,300,000,000 within a period of about one year, according to a projection that did not consider "the most severe predictions concerning nuclear winter".[15] This would have been a proportional reduction of the world’s population exceeding the reduction caused in the 14th century by the Black Death, and comparable in proportional terms with the plague’s impact on Europe's population in 1346–53.

In War Before Civilization, Lawrence H. Keeley, a professor at the University of Illinois, says approximately 90–95% of known societies throughout history engaged in at least occasional warfare,[16] and many fought constantly.[17]

Keeley describes several styles of primitive combat such as small raids, large raids, and massacres.

William Rubinstein wrote "Pre-literate societies, even those organised in a relatively advanced way, were renowned for their studied cruelty...'archaeology yields evidence of prehistoric massacres more severe than any recounted in ethnography [i.e., after the coming of the Europeans].'"[20]

In Western Europe, since the late 18th century, more than 150 conflicts and about 600 battles have taken place.[21] During the 20th century, war resulted in a dramatic intensification of the pace of social changes, and was a crucial catalyst for the emergence of the Left as a force to be reckoned with.[22]

In 1947, in view of the rapidly increasingly destructive consequences of modern warfare, and with a particular concern for the consequences and costs of the newly developed atom bomb, Albert Einstein famously stated, "I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones."[24]

Mao Zedong urged the socialist camp not to fear nuclear war with the United States since, even if "half of mankind died, the other half would remain while imperialism would be razed to the ground and the whole world would become socialist."[25]

A distinctive feature since 1945 is the absence of wars between major powers--indeed the near absence of any traditional wars between established countries.

The Human Security Report 2005 documented a significant decline in the number and severity of armed conflicts since the end of the Cold War in the early 1990s. However, the evidence examined in the 2008 edition of the Center for International Development and Conflict Management's "Peace and Conflict" study indicated the overall decline in conflicts had stalled.[27]

Effects


Human history had numerous wars coming and going, but the average number of people dying from war has fluctuated relatively little, being about 1 to 10 people dying per 100,000.

The deadliest war in history, in terms of the cumulative number of deaths since its start, is World War II, from 1939 to 1945, with 60–85 million deaths, followed by the Mongol conquests[31] at up to 60 million. As concerns a belligerent's losses in proportion to its prewar population, the most destructive war in modern history may have been the Paraguayan War (see Paraguayan War casualties). In 2013 war resulted in 31,000 deaths, down from 72,000 deaths in 1990.[32] In 2003, Richard Smalley identified war as the sixth biggest problem (out of ten) facing humanity for the next fifty years.[33] War usually results in significant deterioration of infrastructure and the ecosystem, a decrease in social spending, famine, large-scale emigration from the war zone, and often the mistreatment of prisoners of war or civilians.[34][35][36] For instance, of the nine million people who were on the territory of the Byelorussian SSR in 1941, some 1.6 million were killed by the Germans in actions away from battlefields, including about 700,000 prisoners of war, 500,000 Jews, and 320,000 people counted as partisans (the vast majority of whom were unarmed civilians).[37]Bloodlands%3A%20Europe%20Between%20Hitler]]]]

Three of the ten most costly wars, in terms of loss of life, have been waged in the last century.

Military personnel subject to combat in war often suffer mental and physical injuries, including depression, posttraumatic stress disorder, disease, injury, and death.

During World War II, research conducted by US Army Brigadier General S.L.A. Marshall found, on average, 15% to 20% of American riflemen in WWII combat fired at the enemy.[53] In Civil War Collector’s Encyclopedia, F.A. Lord notes that of the 27,574 discarded muskets found on the Gettysburg battlefield, nearly 90% were loaded, with 12,000 loaded more than once and 6,000 loaded 3 to 10 times. These studies suggest most military personnel resist firing their weapons in combat, that – as some theorists argue – human beings have an inherent resistance to killing their fellow human beings.[53] Swank and Marchand’s WWII study found that after sixty days of continuous combat, 98% of all surviving military personnel will become psychiatric casualties. Psychiatric casualties manifest themselves in fatigue cases, confusional states, conversion hysteria, anxiety, obsessional and compulsive states, and character disorders.[53]

Additionally, it has been estimated anywhere from 18% to 54% of Vietnam war veterans suffered from Post Traumatic Stress Disorder.[53]

Based on 1860 census figures, 8% of all white American males aged 13 to 43 died in the American Civil War, including about 6% in the North and approximately 18% in the South.[54] The war remains the deadliest conflict in American history, resulting in the deaths of 620,000 military personnel. United States military casualties of war since 1775 have totaled over two million. Of the 60 million European military personnel who were mobilized in World War I, 8 million were killed, 7 million were permanently disabled, and 15 million were seriously injured.[55]

During Napoleon's retreat from Moscow, more French military personnel died of typhus than were killed by the Russians.[56] Of the 450,000 soldiers who crossed the Neman on 25 June 1812, less than 40,000 returned. More military personnel were killed from 1500–1914 by typhus than from military action.[57] In addition, if it were not for modern medical advances there would be thousands more dead from disease and infection. For instance, during the Seven Years' War, the Royal Navy reported it conscripted 184,899 sailors, of whom 133,708 died of disease or were 'missing'.[58]

It is estimated that between 1985 and 1994, 378,000 people per year died due to war.[59]

Most wars have resulted in significant loss of life, along with destruction of infrastructure and resources (which may lead to famine, disease, and death in the civilian population). During the Thirty Years' War in Europe, the population of the Holy Roman Empire was reduced by 15 to 40 percent.[60][61] Civilians in war zones may also be subject to war atrocities such as genocide, while survivors may suffer the psychological aftereffects of witnessing the destruction of war.

Most estimates of World War II casualties indicate around 60 million people died, 40 million of which were civilians.[62] Deaths in the Soviet Union were around 27 million.[63] Since a high proportion of those killed were young men who had not yet fathered any children, population growth in the postwar Soviet Union was much lower than it otherwise would have been.[64]

Once a war has ended, losing nations are sometimes required to pay war reparations to the victorious nations. In certain cases, land is ceded to the victorious nations. For example, the territory of Alsace-Lorraine has been traded between France and Germany on three different occasions.

Typically, war becomes intertwined with the economy and many wars are partially or entirely based on economic reasons.

World War II was the most financially costly conflict in history; its belligerents cumulatively spent about a trillion U.S. dollars on the war effort (as adjusted to 1940 prices).[66][67] The Great Depression of the 1930s ended as nations increased their production of war materials.[68]

By the end of the war, 70% of European industrial infrastructure was destroyed.[69] Property damage in the Soviet Union inflicted by the Axis invasion was estimated at a value of 679 billion rubles. The combined damage consisted of complete or partial destruction of 1,710 cities and towns, 70,000 villages/hamlets, 2,508 church buildings, 31,850 industrial establishments, 40,000 mi (64,374 km) of railroad, 4100 railroad stations, 40,000 hospitals, 84,000 schools, and 43,000 public libraries.[70]

War leads to forced migration causing potentially large displacements of population. Among forced migrants there are usually relatively large shares of artists and other types of creative people, causing so the war effects to be particularly harmful for the country’s creative potential in the long-run.[71] War also has a negative effect on an artists’ individual life-cycle output.[72]

In war, cultural institutions, such as libraries, can become "targets in themselves; their elimination was a way to denigrate and demoralize the enemy population."

Aims


Entities deliberately contemplating going to war and entities considering whether to end a war may formulate war aims as an evaluation/propaganda tool. War aims may stand as a proxy for national-military resolve.[74]

Fried defines war aims as "the desired territorial, economic, military or other benefits expected following successful conclusion of a war".[75]

Tangible/intangible aims:

  • Tangible war aims may involve (for example) the acquisition of territory (as in the German goal of Lebensraum in the first half of the 20th century) or the recognition of economic concessions (as in the Anglo-Dutch Wars).
  • Intangible war aims – like the accumulation of credibility or reputation[76] – may have more tangible expression ("conquest restores prestige, annexation increases power").[75]

Explicit/implicit aims:

  • Explicit war aims may involve published policy decisions.
  • Implicit war aims[78] can take the form of minutes of discussion, memoranda and instructions.[75]

Positive/negative aims:

  • "Positive war aims" cover tangible outcomes.
  • "Negative war aims" forestall or prevent undesired outcomes.[80]

War aims can change in the course of conflict and may eventually morph into "peace conditions"[81] – the minimal conditions under which a state may cease to wage a particular war.

Limiting and stopping


Religious groups have long formally opposed or sought to limit war as in the Second Vatican Council document Gaudiem et Spes: "Any act of war aimed indiscriminately at the destruction of entire cities of extensive areas along with their population is a crime against God and man himself. It merits unequivocal and unhesitating condemnation."[82]

Anti-war movements have existed for every major war in the 20th century, including, most prominently, World War I, World War II, and the Vietnam War. In the 21st century, worldwide anti-war movements occurred in response to the United States invasion of Afghanistan and Iraq. Protests opposing the War in Afghanistan occurred in Europe, Asia, and the United States. Organizations like Stop the War Coalition, based in the United Kingdom, worked on campaigning against the war.[83]

The Mexican Drug War, with estimated casualties of 40,000 since December 2006, has recently faced fundamental opposition.[84] In 2011, the movement for peace and justice has started a popular middle-class movement against the war. It won the recognition of President Calderon, who began war.[85]

Theories of motivation


There are many theories about the motivations for war, but no consensus about which are most common.[86] Carl von Clausewitz said, 'Every age has its own kind of war, its own limiting conditions, and its own peculiar preconceptions.'[87]

Dutch psychoanalyst Joost Meerloo held that, "War is often...a mass discharge of accumulated internal rage (where)...the inner fears of mankind are discharged in mass destruction."[88] Thus war can sometimes be a means by which man's own frustration at his inability to master his own self is expressed and temporarily relieved via his unleashing of destructive behavior upon others. In this destructive scenario, these others are made to serve as the scapegoat of unspoken and subconscious frustrations and fears.

Other psychoanalysts such as E.F.M.

The Italian psychoanalyst Franco Fornari, a follower of Melanie Klein, thought war was the paranoid or projective “elaboration” of mourning.[90] Fornari thought war and violence develop out of our “love need”: our wish to preserve and defend the sacred object to which we are attached, namely our early mother and our fusion with her. For the adult, nations are the sacred objects that generate warfare. Fornari focused upon sacrifice as the essence of war: the astonishing willingness of human beings to die for their country, to give over their bodies to their nation.

Despite Fornari's theory that man's altruistic desire for self-sacrifice for a noble cause is a contributing factor towards war, few wars have originated from a desire for war among the general populace.[91]The%20]]ar more often the general population has been reluctantly drawn into war by its rulers. One psychological theory that looks at the leaders is advanced by Maurice Walsh. leaders with a psychologically abnormal disregard for human life are placed into power. War is caused by leaders who seek war such as Napoleon and Hitler. Such leaders most often come to power in times of crisis when the populace opts for a decisive leader, who then leads the nation to war.

Several theories concern the evolutionary origins of warfare.

The latter school argues that since warlike behavior patterns are found in many primate species such as chimpanzees,[95] as well as in many ant species,[96] group conflict may be a general feature of animal social behavior. Some proponents of the idea argue that war, while innate, has been intensified greatly by developments of technology and social organization such as weaponry and states.[97]

Psychologist and linguist Steven Pinker argued that war-related behaviors may have been naturally selected in the ancestral environment due to the benefits of victory.[98] He also argued that in order to have credible deterrence against other groups (as well as on an individual level), it was important to have a reputation for retaliation, causing humans to develop instincts for revenge as well as for protecting a group's (or an individual's) reputation ("honor").

Crofoot and Wrangham have argued that warfare, if defined as group interactions in which "coalitions attempt to aggressively dominate or kill members of other groups", is a characteristic of most human societies.

Ashley Montagu strongly denied universalistic instinctual arguments, arguing that social factors and childhood socialization are important in determining the nature and presence of warfare. Thus, he argues, warfare is not a universal human occurrence and appears to have been a historical invention, associated with certain types of human societies.[100] Montagu's argument is supported by ethnographic research conducted in societies where the concept of aggression seems to be entirely absent, e.g. the Chewong and Semai of the Malay peninsula.[101] Bobbi S. Low has observed correlation between warfare and education, noting societies where warfare is commonplace encourage their children to be more aggressive.[102]

War can be seen as a growth of economic competition in a competitive international system.

The Marxist theory of war is quasi-economic in that it states all modern wars are caused by competition for resources and markets between great (imperialist) powers, claiming these wars are a natural result of the free market and class system. Part of the theory is that war will disappear once a world revolution, over-throwing free markets and class systems, has occurred. Marxist philosopher Rosa Luxemburg theorized that imperialism was the result of capitalist countries needing new markets. Expansion of the means of production is only possible if there is a corresponding growth in consumer demand. Since the workers in a capitalist economy would be unable to fill the demand, producers must expand into non-capitalist markets to find consumers for their goods, hence driving imperialism.[106]

Demographic theories can be grouped into two classes, Malthusian and youth bulge theories:

Malthusian theories see expanding population and scarce resources as a source of violent conflict.

Pope Urban II in 1095, on the eve of the First Crusade, spoke:

This is one of the earliest expressions of what has come to be called the Malthusian theory of war, in which wars are caused by expanding populations and limited resources.

The violent herder–farmer conflicts in Nigeria, Mali, Sudan and other countries in the Sahel region have been exacerbated by land degradation and population growth.[109][110][111]

According to Heinsohn, who proposed youth bulge theory in its most generalized form, a youth bulge occurs when 30 to 40 percent of the males of a nation belong to the "fighting age" cohorts from 15 to 29 years of age. It will follow periods with total fertility rates as high as 4–8 children per woman with a 15–29-year delay.[112][113]

Heinsohn saw both past "Christianist" European colonialism and imperialism, as well as today's Islamist civil unrest and terrorism as results of high birth rates producing youth bulges.[114] Among prominent historical events that have been attributed to youth bulges are the role played by the historically large youth cohorts in the rebellion and revolution waves of early modern Europe, including the French Revolution of 1789,[115] and the effect of economic depression upon the largest German youth cohorts ever in explaining the rise of Nazism in Germany in the 1930s.[116] The 1994 Rwandan Genocide has also been analyzed as following a massive youth bulge.[117]

Youth bulge theory has been subjected to statistical analysis by the World Bank,[118] Population Action International,[119] and the Berlin Institute for Population and Development.[120] Youth bulge theories have been criticized as leading to racial, gender and age discrimination.[121]

Rationalism is an international relations theory or framework. Rationalism (and Neorealism (international relations)) operate under the assumption that states or international actors are rational, seek the best possible outcomes for themselves, and desire to avoid the costs of war.[122] Under one game theory approach, rationalist theories posit all actors can bargain, would be better off if war did not occur, and likewise seek to understand why war nonetheless reoccurs. Under another rationalist game theory without bargaining, the peace war game, optimal strategies can still be found that depend upon number of iterations played. In "Rationalist Explanations for War", James Fearon examined three rationalist explanations for why some countries engage in war:

"Issue indivisibility" occurs when the two parties cannot avoid war by bargaining, because the thing over which they are fighting cannot be shared between them, but only owned entirely by one side or the other.

"Information asymmetry]]]with incentives to misrepresent" occurs when two countries have secrets about their individual capabilities, and do not agree on either: who would win a war between them, or the magnitude of state's victory or loss. For instance, Geoffrey Blainey argues that war is a result of miscalculation of strength. He cites historical examples of war and demonstrates, "war is usually the outcome of a diplomatic crisis which cannot be solved because both sides have conflicting estimates of their bargaining power."[123] Thirdly, bargaining may fail due to the states' inability to make credible commitments.[124]

Within the rationalist tradition, some theorists have suggested that individuals engaged in war suffer a normal level of cognitive bias,[125] but are still "as rational as you and me".[126] According to philosopher Iain King, "Most instigators of conflict overrate their chances of success, while most participants underrate their chances of injury...."[126] King asserts that "Most catastrophic military decisions are rooted in GroupThink" which is faulty, but still rational.[126]

The rationalist theory focused around bargaining is currently under debate.

The statistical analysis of war was pioneered by Lewis Fry Richardson following World War I. More recent databases of wars and armed conflict have been assembled by the Correlates of War Project, Peter Brecke and the Uppsala Conflict Data Program.

The following subsections consider causes of war from system, societal, and individual levels of analysis.

There are several different international relations theory schools. Supporters of realism in international relations argue that the motivation of states is the quest for security, and conflicts can arise from the inability to distinguish defense from offense, which is called the security dilemma.[130]

Within the realist school as represented by scholars such as Henry Kissinger and Hans Morgenthau, and the neorealist school represented by scholars such as Kenneth Waltz and John Mearsheimer, two main sub-theories are:

The two theories are not mutually exclusive and may be used to explain disparate events according to the circumstance.[130]

Liberalism as it relates to international relations emphasizes factors such as trade, and its role in disincentivizing conflict which will damage economic relations. Realists respond that military force may sometimes be at least as effective as trade at achieving economic benefits, especially historically if not as much today.[130] Furthermore, trade relations which result in a high level of dependency may escalate tensions and lead to conflict.[130] Empirical data on the relationship of trade to peace are mixed, and moreover, some evidence suggests countries at war don't necessarily trade less with each other.[130]

  • Diversionary theory, also known as the "scapegoat hypothesis", suggests the politically powerful may use war to as a diversion or to rally domestic popular support.[130] This is supported by literature showing out-group hostility enhances in-group bonding, and a significant domestic "rally effect" has been demonstrated when conflicts begin.[130] However, studies examining the increased use of force as a function of need for internal political support are more mixed.[130] U.S. war-time presidential popularity surveys taken during the presidencies of several recent U.S. leaders have supported diversionary theory.[131]

These theories suggest differences in people's personalities, decision-making, emotions, belief systems, and biases are important in determining whether conflicts get out of hand.[130] For instance, it has been proposed that conflict is modulated by bounded rationality and various cognitive biases,[130] such as prospect theory.[132]

Ethics


The morality of war has been the subject of debate for thousands of years.[133]

The two principal aspects of ethics in war, according to the just war theory, are jus ad bellum and Jus in bello.[134]

Jus ad bellum (right to war), dictates which unfriendly acts and circumstances justify a proper authority in declaring war on another nation. There are six main criteria for the declaration of a just war: first, any just war must be declared by a lawful authority; second, it must be a just and righteous cause, with sufficient gravity to merit large-scale violence; third, the just belligerent must have rightful intentions – namely, that they seek to advance good and curtail evil; fourth, a just belligerent must have a reasonable chance of success; fifth, the war must be a last resort; and sixth, the ends being sought must be proportional to means being used.[135][136]

Jus in bello (right in war), is the set of ethical rules when conducting war. The two main principles are proportionality and discrimination. Proportionality regards how much force is necessary and morally appropriate to the ends being sought and the injustice suffered.[136] The principle of discrimination determines who are the legitimate targets in a war, and specifically makes a separation between combatants, who it is permissible to kill, and non-combatants, who it is not.[136] Failure to follow these rules can result in the loss of legitimacy for the just-war-belligerent.[138]

The just war theory was foundational in the creation of the United Nations and in International Law's regulations on legitimate war.[133]

Fascism, and the ideals it encompasses, such as Pragmatism, racism, and social Darwinism, hold that violence is good.[140][141] Pragmatism holds that war and violence can be good if it serves the ends of the people, without regard for universal morality. Racism holds that violence is good so that a master race can be established, or to purge an inferior race from the earth, or both. Social Darwinism asserts that violence is sometimes necessary to weed the unfit from society so civilization can flourish. These are broad archetypes for the general position that the ends justify the means. Lewis Coser, U.S. conflict theorist and sociologist, argued conflict provides a function and a process whereby a succession of new equilibriums are created. Thus, the struggle of opposing forces, rather than being disruptive, may be a means of balancing and maintaining a social structure or society.[142]

See also


General reference

War-related lists

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