HOME / hey, wait a minute: The conventional wisdom debunked.

Does Peace Have a Chance?Wars are less deadly than they've been for 12,000 years. Things could get even better.

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Our prehistory seems to have grown more bellicose as time went on, however. According to anthropologist Brian Ferguson, there is little or no clear-cut evidence of lethal group aggression among any societies prior to 12,000 years ago. War emerged and rapidly spread (PDF) over the next few thousand years among hunter-gatherers and other groups, particularly in regions where people abandoned a nomadic lifestyle for a more sedentary one and populations grew. War arose, according to this perspective, because of changing environmental and cultural conditions rather than because of "human nature," as the West Point War Museum suggests.

This view contradicts what many people believe about war. Since 2006, when I first started teaching a college course called "War and Human Nature," I've asked hundreds of students and other people whether humans will ever stop fighting wars. More than four in five—young and old, conservative and liberal, male and female—answer "No." Asked to explain this response, they often say that we have always fought wars, and we always will, because we are innately aggressive.

Of course, all human behavior ultimately stems from our biology. But the sudden emergence of war around 10,000 BCE and its recent decline suggest it's primarily a cultural phenomenon and one that culture is now helping us to overcome. There have been no international wars since the U.S. invasion of Iraq in 2003 and no wars between major industrialized powers since the end of World War II. Most conflicts now consist of guerilla wars, insurgencies, and terrorism—or what the political scientist John Mueller of Ohio State University calls the "remnants of war."

Mueller rejects biological explanations for this trend, noting in one paper (PDF) that "testosterone levels seem to be as high as ever." At least part of the decline, he says, can be attributed to a surge in the number of democracies since World War II, from 20 to nearly 100 (depending on how democracy is defined). Since democracies rarely, if ever, wage war against each other, we may well see a continuing decline in the magnitude of armed conflict.

Harvard psychologist Steven Pinker identifies several other cultural factors contributing to the modern decline of violence, both between and within states: First, the creation of stable states with effective legal systems and police forces has eliminated the endless feuding that plagued many tribal societies. Second, increased life expectancies make us less willing to risk our lives by engaging in violence. Third, as a result of globalization and communications, we have become increasingly interdependent on—and empathetic toward—others outside of our immediate "tribes."

If war is not inevitable, neither is peace. "This past year saw increasing threats to security, stability, and peace in nearly every corner of the globe," warns the SIPRI 2009 Yearbook. Global arms spending—especially by the United States, China, and Russia—has surged, and efforts to stem nuclear proliferation have stalled. An al-Qaida operative could detonate a nuclear suitcase bomb in New York City tomorrow, reversing the recent trend in an instant. But the evidence of a decline in war-related deaths shows that we need not—and should not—accept war as an eternal scourge of the human condition.

In fact, this fatalistic view is wrong empirically and morally. Empirically, because war clearly stems less from some hard-wired "instinct" than from mutable cultural and environmental conditions; much can be done, and has been done, to reduce the risks it poses. Morally, because the belief that war will never end helps perpetuate it. The surer we are that the world is irredeemably violent, the more likely we are to support hawkish leaders and policies, making our belief self-fulfilling. Our first step toward ending war is to believe that we can end it.

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John Horgan is director of the Center for Science Writings at the Stevens Institute of Technology and a correspondent for Bloggingheads.tv.
Photograph of Dresden, Germany, by G. Beyer/Wikipedia.
COMMENTS

Education - in which I include the global proliferation of mass media, rather than the limited activities of the classroom - has given 95% of the world's population a pretty clear idea of how previous conflicts began, and how to avoid those kinds of conflicts in the future.

Some say that the only thing that history teaches you is that history doesn't teach you anything. But this is not true. Once upon a time a charismatic, visionary regime with uniforms designed by Hugo Boss could whip millions of people into doing unspeakable things. But try it in the 21st Century, and people will call you Adolf Hitler.

Hats off also to the international system of nation states, each with their accepted borders, national security policies, insignia and laws. A few don't work, but most offer a much improved form of security and peace than that offered by tribe or kingdom.

And a salute to the United States, which has performed the role of global policeman better than the British did before them. And, arcing back to my first point, the US - Hollywood in particular, has been very good at increasing global awareness of the horrors of war and how these horrors arise.

-- GreenwichJ
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It's because we live in a one superpower world (and a mostly benign super power at that) and the fact that globalization has happened, war has thankfully become ever more obsolete. Countries which act aggressively outside of their borders are punished by the large markets of North America and Western Europe, the US encourages most countries to stay in line, and countries depend on each other ever more for goods in trade - war has become largely unprofitable.

Also, from a developed nation stand point, the US Military dominance has made in attempting to fight us with force simply suicidal. And, since nations which are significantly hostile to us such can't win on the battle field, they will take their fight to the UN or the airwaves to beat us there (France is particularly good at this). We will have to become much, much savvier to effectively win the new wars of the 21st Century.

-- headhunt33
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