Do Wars Happen Because People Lack Something? A Psychological Perspective

“Wars spring from human emotions, from fear, from pride, from the hunger for more.” – John Steinbeck

War has been a recurring phenomenon in human history, leading many to ask: Do people and nations fight because they lack something? From a psychological perspective, the answer is largely yes – conflicts often stem from perceived scarcity, insecurity, or unmet psychological needs. As Abraham Maslow’s Hierarchy of Needs suggests, humans are driven by fundamental needs, and when these needs are threatened or unsatisfied, conflict becomes a means of resolution, survival, or dominance.

This article explores the psychology of war through scientific frameworks, rhetorical repetition (anaphora), idiomatic expressions, and historical quotes, revealing that war is often fueled by scarcity, fear, power struggles, and ideological convictions.

The Root of War: Scarcity and the Survival Instinct

“It is not the abundance of resources, but the lack of them, that often breeds war.”

Scarcity – whether real or perceived – breeds competition, and competition breeds conflict. Throughout history, wars have erupted when nations faced resource shortages or economic crises. Maslow’s first two levels – physiological and safety needs – highlight that access to food, water, and security is fundamental. When these are threatened, war becomes an act of desperation or strategic necessity.

Consider World War II: Germany, under Hitler, sought Lebensraum (“living space”), justifying territorial expansion on the grounds of economic necessity and resource access. Japan, similarly, lacked access to essential raw materials and sought control over Southeast Asia. Wars over oil, water, and fertile land have been fought for centuries, proving that where there is scarcity, there is strife.

“An army marches on its stomach,” said Napoleon, recognizing that the ability to wage war depends on securing basic resources. When access is restricted, aggression follows.

War is the language of famine, of drought, of oil fields running dry. Nations do not fight because they wish to; they fight because they feel they must.

The Psychology of Fear: Fighting for Security

“The only thing we have to fear is fear itself.” – Franklin D. Roosevelt

Fear is an invisible force that drives nations to war as surely as hunger drives a starving man to steal. The security dilemma, a concept from international relations, explains how nations, fearing attack, arm themselves for protection – only to provoke others into doing the same, leading to war.

Maslow’s second tier – safety needs – reveals that when individuals or nations feel vulnerable, they act defensively, sometimes preemptively. This was evident in the Cold War, where the U.S. and the Soviet Union built nuclear arsenals not because they wanted war, but because they feared the other would strike first.

“History teaches that war begins when governments believe the price of aggression is cheap.” – Ronald Reagan

Fear is a double-edged sword: it protects, but it also provokes. Nations fight not just to defend themselves, but to prevent imagined future threats. The irony of war is that both sides often believe they are fighting for peace.

Nationalism and Identity: When “Us” vs. “Them” Becomes War

“War does not determine who is right – only who is left.” – Bertrand Russell

Beyond resources and fear, identity fuels war. Humans have an innate tendency to form in-groups and out-groups, a psychological principle outlined in Social Identity Theory (Tajfel & Turner, 1979). Wars are often fought not for necessity, but for pride, for sovereignty, for the idea that one’s nation, race, or religion is superior.

Maslow’s third level – love and belonging – suggests that people need a sense of connection and identity. When that identity is challenged, conflict erupts. Nationalism was one of the driving forces behind both World War I and World War II, where nations did not just seek power, but to assert their place in history, their cultural dominance, their superiority.

“The strong do what they can, the weak suffer what they must.” – Thucydides

Wars of nationalism are wars of ego and exclusion. They are driven not by what people lack, but by what they fear losing – their heritage, their sovereignty, their standing in the world.

The Power Paradox: When Leaders Wage War for Their Own Gain

“War is merely the continuation of politics by other means.” – Carl von Clausewitz

Not all wars are fought out of necessity. Some are fought because leaders desire power, expansion, or legacy. Maslow’s fourth level – esteem needs – highlights the human craving for status and dominance. For some leaders, war is a tool for control, for distraction, for historical immortality.

Consider Napoleon Bonaparte, Adolf Hitler, and Julius Caesar – all men who sought not just land, but legacy. Wars waged for power often disguise themselves as noble causes, but at their core, they stem from one man’s ambition, one government’s hunger for dominance.

“A throne is only a bench covered in velvet.” – Napoleon Bonaparte

Power is intoxicating, and war is its most dangerous side effect. Leaders who wage war for their own glory risk destroying the very nations they claim to protect.

The Battle of Ideas: War as a Clash of Ideologies

“An idea whose time has come cannot be stopped by any army.” – Victor Hugo

Wars are not always fought over land, oil, or security. Some wars are fought for ideas. The Cold War, the Crusades, and modern ideological conflicts prove that people are willing to die not just for what they need, but for what they believe.

Maslow’s highest level – self-actualization – suggests that people seek purpose and meaning. Sometimes, that meaning is found in a cause so powerful that people will kill for it, die for it, and reshape the world for it.

“Men do not fight for flags. They fight for their homes, their families, their beliefs.” – George S. Patton

Religious wars, political revolutions, and ideological struggles are all fought in the name of something greater than the self. But behind every noble cause, there is still the human need for security, for belonging, for power.

Final Verdict: Do People Fight Because They Lack Something?

Yes. Wars are born from scarcity, from fear, from insecurity. But they are also born from power, from ideology, from a relentless pursuit of meaning.

People fight because they lack resources, lack security, lack respect, lack control. They fight because they fear losing their identity, their way of life, their future. They fight because they believe their cause is just, because history demands it, because war is sometimes the only language that power understands.

Maslow’s theory of human motivation explains much about war – but what it cannot explain is why, despite history’s warnings, we continue to fight.

“Only the dead have seen the end of war.” – Plato

What’s Next?

Does human nature doom us to perpetual conflict, or can psychology help prevent future wars? Should nations focus more on diplomacy, resource-sharing, and education to address the root causes of war? Join the discussion in the comments.