Theories of War Causation

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Theories of War Causation

Schools & Variants

Johan M.G. van der Dennen

Theories of War Causation

• Demographic-Ecological School

Theories of War Causation

• Demographic-Ecological School

• Economic School

Theories of War Causation

• Demographic-Ecological School

• Economic School

• Imperialism School

Theories of War Causation

• Demographic-Ecological School

• Economic School

• Imperialism School

• Political-Strategic School

Theories of War Causation

• Demographic-Ecological School

• Economic School

• Imperialism School

• Political-Strategic School

• (Social)-Psychological School

Theories of War Causation

• Demographic-Ecological School

• Economic School

• Imperialism School

• Political-Strategic School

• (Social)-Psychological School

• Apologetic School

Theories of War Causation

• Demographic-Ecological School

Theories of War Causation

• Demographic-Ecological School

– Population pressure (Plato) / ‘Lebensraum’

Theories of War Causation

• Demographic-Ecological School

– Population pressure (Plato) / ‘Lebensraum’

– Demographic relaxation / Filicide (Bouthoul)

Theories of War Causation

• Demographic-Ecological School

– Population pressure (Plato) / ‘Lebensraum’

– Demographic relaxation / Filicide (Bouthoul)

– Lateral pressure / distribution of resources

Theories of War Causation

• Demographic-Ecological School

– Population pressure (Plato) / ‘Lebensraum’

– Demographic relaxation / Filicide (Bouthoul)

– Lateral pressure / distribution of resources

– Geopolitical variant (Haushofer)

Theories of War Causation

• Economic School

(Material gain / pleonexia)

Theories of War Causation

• Economic School

(Material gain / pleonexia)

– Mercantilists

Theories of War Causation

• Economic School

(Material gain / pleonexia)

– Mercantilists

– Physiocrats / Manchester School / Liberals

Theories of War Causation

• Economic School

(Material gain / pleonexia)

– Mercantilists

– Physiocrats / Manchester School / Liberals

– Marxists

Theories of War Causation

• Economic School

(Material gain / pleonexia)

– Mercantilists

– Physiocrats / Manchester School / Liberals

– Marxists

– Merchants of death / War-profiteering / Scandal

Theories of War Causation

• Economic School

(Material gain / pleonexia)

– Mercantilists

– Physiocrats / Manchester School / Liberals

– Marxists

– Merchants of death / War-profiteering / Scandal

– Military-industrial(-academic) complex

Theories of War Causation

• Imperialism School

(Material & territorial gain)

Theories of War Causation

• Imperialism School

(Material & territorial gain)

– Conservative variant

Theories of War Causation

• Imperialism School

(Material & territorial gain)

– Conservative variant

– Liberal variant (Hobson)

Theories of War Causation

• Imperialism School

(Material & territorial gain)

– Conservative variant

– Liberal variant (Hobson)

– Marxist-Leninist / Revisionist / Neo-Marxist

Theories of War Causation

• Imperialism School

(Material & territorial gain)

– Conservative variant

– Liberal variant (Hobson)

– Marxist-Leninist / Revisionist / Neo-Marxist

– Militarist variant (Schumpeter)

Theories of War Causation

• Political-Strategic School

(Power)

Theories of War Causation

• Political-Strategic School

(Power)

– ‘Ultima ratio’ / Cost-benefit calculus

Theories of War Causation

• Political-Strategic School

(Power)

– ‘Ultima ratio’ / Cost-benefit calculus

• Machiavelli • Hobbes • Clausewitz • Realists

(Morgenthau, Waltz) • Expected utility theory

(Bueno de Mesquita) • Blainey • Stoessinger

Theories of War Causation

• Political-Strategic School

(Power)

– ‘Ultima ratio’ / Cost-benefit calculus

• Machiavelli • Hobbes • Clausewitz • Realists

(Morgenthau, Waltz) • Expected utility theory

(Bueno de Mesquita) • Blainey • Stoessinger

– Balance of power / parity / preponderance

Theories of War Causation

• Political-Strategic School

(Power)

– ‘Ultima ratio’ / Cost-benefit calculus

• Machiavelli • Hobbes • Clausewitz • Realists

(Morgenthau, Waltz) • Expected utility theory

(Bueno de Mesquita) • Blainey • Stoessinger

– Balance of power / parity / preponderance

• Polarity • Deterrence / Security dilemma • Arms races

Theories of War Causation

• Political-Strategic School

(Power)

– ‘Ultima ratio’ / Cost-benefit calculus

• Machiavelli • Hobbes • Clausewitz • Realists

(Morgenthau, Waltz) • Expected utility theory

(Bueno de Mesquita) • Blainey • Stoessinger

– Balance of power / parity / preponderance

• Polarity • Deterrence / Security dilemma • Arms races

– Power transition theory and hegemonic war

Theories of War Causation

• Political-Strategic School

(Power)

– ‘Ultima ratio’ / Cost-benefit calculus

• Machiavelli • Hobbes • Clausewitz • Realists

(Morgenthau, Waltz) • Expected utility theory

(Bueno de Mesquita) • Blainey • Stoessinger

– Balance of power / parity / preponderance

• Polarity • Deterrence / Security dilemma • Arms races

– Power transition theory and hegemonic war

– Rank disequilibrium theory (Galtung)

Theories of War Causation

• (Social-)Psychological School (Bête humaine)

Theories of War Causation

• (Social-)Psychological School (Bête humaine)

– Human nature / bête humaine / passions-reason

Theories of War Causation

• (Social-)Psychological School (Bête humaine)

– Human nature / bête humaine / passions-reason

• Thucydides (fear) • Hobbes: ‘competition, diffidence, glory’

Theories of War Causation

• (Social-)Psychological School (Bête humaine)

– Human nature / bête humaine / passions-reason

• Thucydides (fear) • Hobbes: ‘competition, diffidence, glory’

– Great men / Evil men (personified cataclysmic)

Theories of War Causation

• (Social-)Psychological School (Bête humaine)

– Human nature / bête humaine / passions-reason

• Thucydides (fear) • Hobbes: ‘competition, diffidence, glory’

– Great men / Evil men (personified cataclysmic)

– National character / (Mass) psychopathology

Theories of War Causation

• (Social-)Psychological School (Bête humaine)

– Human nature / bête humaine / passions-reason

• Thucydides (fear) • Hobbes: ‘competition, diffidence, glory’

– Great men / Evil men (personified cataclysmic)

– National character / (Mass) psychopathology

– Minds of Men variant: misperception & comm.

Theories of War Causation

• (Social-)Psychological School (Bête humaine)

– Human nature / bête humaine / passions-reason

• Thucydides (fear) • Hobbes: ‘competition, diffidence, glory’

– Great men / Evil men (personified cataclysmic)

– National character / (Mass) psychopathology

– Minds of Men variant: misperception & comm.

– Instinctivist variants (pugnacity / ‘Todestrieb’)

• Herd instincts • aggressive instincts • adventurism

Theories of War Causation

• (Social-)Psychological School (Bête humaine)

– Human nature / bête humaine / passions-reason

• Thucydides (fear) • Hobbes: ‘competition, diffidence, glory’

– Great men / Evil men (personified cataclysmic)

– National character / (Mass) psychopathology

– Minds of Men variant: misperception & comm.

– Instinctivist variants (pugnacity / ‘Todestrieb’)

• Herd instincts • aggressive instincts • adventurism

– Frustration-aggression displacement variant

Theories of War Causation

• (Social-)Psychological School (Bête humaine)

– Human nature / bête humaine / passions-reason

• Thucydides (fear) • Hobbes: ‘competition, diffidence, glory’

– Great men / Evil men (personified cataclysmic)

– National character / (Mass) psychopathology

– Minds of Men variant: misperception & comm.

– Instinctivist variants (pugnacity / ‘Todestrieb’)

• Herd instincts • aggressive instincts • adventurism

– Frustration-aggression displacement variant

– Obedience / Sociality / Group-altruism / Noble

Theories of War Causation

• Apologetic School (war as necessity)

Theories of War Causation

• Apologetic School (war as necessity)

– Metaphysical variant (divine punishment)

Theories of War Causation

• Apologetic School (war as necessity)

– Metaphysical variant (divine punishment)

– Etatistic variant (Hegel)

Theories of War Causation

• Apologetic School (war as necessity)

– Metaphysical variant (divine punishment)

– Etatistic variant (Hegel)

– Social Darwinist variant (‘agent of progress’)

Theories of War Causation

• Apologetic School (war as necessity)

– Metaphysical variant (divine punishment)

– Etatistic variant (Hegel)

– Social Darwinist variant (‘agent of progress’)

– Eschatological variants (‘proletarian paradise’)

The phalanx: the major invention of ‘civilized’ warfare

Raiding (dawn attack) by a Florida Indian tribe (de Bry, ± 1590)

Pitched battle type of intergroup agonistic behavior in primates generally, and possibly even in social and group territorial mammals generally (social carnivores, dolphins, etc.).

‘Lethal male raiding’ in the common ancestor of both humans and chimpanzees 6 8 mya (Wrangham’s synapomorphy or shared derived trait).

‘Lethal male raiding’ as independently evolved in both humans and chimpanzees (implied by van der Dennen)

THE (CHRONO)LOGICALLY POSSIBLE

THEORETICAL VIEWS ON THE EVOLUTION

OF WAR AS PITCHED BATTLE AND RAIDING

War in both humans (Hu) and chimpanzees

(Chi) as relatively recent ‘cultural inventions’

Hu Chi Bo

Differences between battle and raid

BATTLE RAID guerra (real war), combat / pitched battle fight/flight-like also known as motivationally guerrilla (little war) predation-like approx. balance of power very common in social carnivores and primates females and males

(much less so in humans) relatively uncommon among foraging peoples (if present often ritualized) precipitated by occurrence in animals confined to panids and hominids sex of the belligerents exclusively male occurrence in

'primitive' societies

Imbalance of power predominant and most lethal among foraging peoples

Differences between battle and raid

BATTLE RAID very common in contemporary warfare

(but less common in future) parallel lines / phalanxes clamor / bluff / intimidation display biomechanical principles impact of mass and speed, encirclement, feigned retreat psychology of the soldier (discipline) occurrence in modern warfare appearance characterized by explained by tactics underlying psychology relatively uncommon in contemporary warfare

(but more common in future) ambush / dawn attack / surprise raid stealth / secrecy tactical requirements (?) hit and run, torching, indiscriminate killing psychology of the warrior (frenzy)

Differences between battle and raid

BATTLE RAID too short line

(envelopment), too long line (penetration) chance encounter, failed raid, failed surprise attack ritualization (game-like war) possible reconciliation in principle possible divine ordeal, expiatory combat relatively low but may result in routing and massacre weakness and vulnerability conditioned by logistics, retreat surprise attack as default ritualization?

reconciliation?

no ritualization possible guerre à l'outrance no reconciliation, incessant cycles of retaliation and revenge raiding metaphysical aspects magicoreligious magnet lethality (casualties) relatively low but rapidly accumulating

War Causation: The Evidence

Onset (occurrence/initiation) of war

Factors increasing the probability of the onset (occurrence/initiation) of war:

War Causation: The Evidence

Onset (occurrence/initiation) of war

Factors increasing the probability of the onset (occurrence/initiation) of war:

Level of analysis: state

War Causation: The Evidence

Onset (occurrence/initiation) of war

Factors increasing the probability of the onset (occurrence/initiation) of war:

Level of analysis: state

Power status (major power)

War Causation: The Evidence

Onset (occurrence/initiation) of war

Factors increasing the probability of the onset (occurrence/initiation) of war

Level of analysis: state

Power status (major power)

Power cycle (critical point if major power)

War Causation: The Evidence

Onset (occurrence/initiation) of war

Factors increasing the probability of the onset (occurrence/initiation) of war

Level of analysis: state

Power status (major power)

Power cycle (critical point if major power)

Alliance (alliance member)

War Causation: The Evidence

Onset (occurrence/initiation) of war

Factors increasing the probability of the onset (occurrence/initiation) of war

Level of analysis: state

Power status (major power)

Power cycle (critical point if major power)

Alliance (alliance member)

Borders (number of borders)

War Causation: The Evidence

Onset (occurrence/initiation) of war

Level of analysis: dyad

War Causation: The Evidence

Onset (occurrence/initiation) of war

Level of analysis: dyad

Contiguity/proximity (common border/distance)

War Causation: The Evidence

Onset (occurrence/initiation) of war

Level of analysis: dyad

Contiguity/proximity (common border/distance)

Political systems (absence of joint democracies)

War Causation: The Evidence

Onset (occurrence/initiation) of war

Level of analysis: dyad

Contiguity/proximity (common border/distance)

Political systems (absence of joint democracies)

Economic development (absence of joint advanced economies)

War Causation: The Evidence

Onset (occurrence/initiation) of war

Level of analysis: dyad

Contiguity/proximity (common border/distance)

Political systems (absence of joint democracies)

Economic development (absence of joint advanced economies)

Static capability balance (parity)

War Causation: The Evidence

Onset (occurrence/initiation) of war

Level of analysis: dyad

Contiguity/proximity (common border/distance)

Political systems (absence of joint democracies)

Economic development (absence of joint advanced economies)

Static capability balance (parity)

Dynamic capability balance (unstable: transition)

War Causation: The Evidence

Onset (occurrence/initiation) of war

Level of analysis: dyad

Contiguity/proximity (common border/distance)

Political systems (absence of joint democracies)

Economic development (absence of joint advanced economies)

Static capability balance (parity)

Dynamic capability balance (unstable: transition)

Alliance (unbalanced external alliance-tie)

War Causation: The Evidence

Onset (occurrence/initiation) of war

Level of analysis: dyad

Contiguity/proximity (common border/distance)

Political systems (absence of joint democracies)

Economic development (absence of joint advanced economies)

Static capability balance (parity)

Dynamic capability balance (unstable: transition)

Alliance (unbalanced external alliance-tie)

Enduring rivalry

War Causation: The Evidence

Onset (occurrence/initiation) of war

Level of analysis: region

War Causation: The Evidence

Onset (occurrence/initiation) of war

Level of analysis: region

Contagion/diffusion (presence of ongoing regional war)

War Causation: The Evidence

Onset (occurrence/initiation) of war

Level of analysis: region

Contagion/diffusion (presence of ongoing regional war)

Level of analysis: system

War Causation: The Evidence

Onset (occurrence/initiation) of war

Level of analysis: region

Contagion/diffusion (presence of ongoing regional war)

Level of analysis: system

Polarity (weak unipolarity/declining leader)

War Causation: The Evidence

Onset (occurrence/initiation) of war

Level of analysis: region

Contagion/diffusion (presence of ongoing regional war)

Level of analysis: system

Polarity (weak unipolarity/declining leader)

Unstable hierarchy

War Causation: The Evidence

Onset (occurrence/initiation) of war

Level of analysis: region

Contagion/diffusion (presence of ongoing regional war)

Level of analysis: system

Polarity (weak unipolarity/declining leader)

Unstable hierarchy

Number of borders

War Causation: The Evidence

Onset (occurrence/initiation) of war

Level of analysis: region

Contagion/diffusion (presence of ongoing regional war)

Level of analysis: system

Polarity (weak unipolarity/declining leader)

Unstable hierarchy

Number of borders

Frequency of civil/revolutionary wars

War Causation: The Evidence

Seriousness of war

(magnitude/duration/severity)

Factors increasing the probable seriousness

(magnitude/duration/severity) of war:

War Causation: The Evidence

Seriousness of war

(magnitude/duration/severity)

Factors increasing the probable seriousness

(magnitude/duration/severity) of war:

Level of analysis: state

Power status (major power)

War Causation: The Evidence

Seriousness of war

(magnitude/duration/severity)

Factors increasing the probable seriousness

(magnitude/duration/severity) of war:

Level of analysis: state

Power status (major power)

Level of analysis: system

Alliance (high polarization)

War Causation: The Evidence

– The Correlates of War (COW) Project defines an

'international war' as a military conflict waged between national entities, at least one of which is a state, and that results in at least 1,000 battle-deaths of military personnel.

– War magnitude – the sum of all participating nations' separate months of active involvement in each war

– War duration – the length in months from the inception of the war to its termination

– War severity – total battle deaths of military personnel in each war

• Source: Geller & Singer (1998: 27-28).

Theories of War Causation

Theories of War Causation

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