Jared Diamond - Guns, Germs & Steel

FROM EGALITARIANISM TO KLEPTOCRACY • 2. 9 I
cessors strengthened the resulting embryonic Zulu state by expanding its judicial system, policing, and ceremonies.
This Zulu example of a state formed by conquest can be multiplied almost indefinitely. Native states whose formation from chiefdoms happened to be witnessed by Europeans in the 18th and 19th centuries include the Polynesian Hawaiian state, the Polynesian Tahitian state, the Merina state of Madagascar, Lesotho and Swazi and other southern African states besides that of the Zulus, the Ashanti state of West Africa, and the Ankole and Buganda states of Uganda. The Aztec and Inca Empires were formed by 15th-century conquests, before Europeans arrived, but we know much about their formation from Indian oral histories transcribed by early Spanish settlers. The formation of the Roman state and the expansion of the Macedonian Empire under Alexander were described in detail by contemporary classical authors.
All these examples illustrate that wars, or threats of war, have played a key role in most, if not all, amalgamations of societies. But wars, even between mere bands, have been a constant fact of human history. Why is it, then, that they evidently began causing amalgamations of societies only within the past 13,000 years? We had already concluded that the formation of complex societies is somehow linked to population pressure, so we should now seek a link between population pressure and the outcome of war. Why should wars tend to cause amalgamations of societies when populations are dense but not when they are sparse? The answer is that the fate of defeated peoples depends on population density, with three possible outcomes:
Where population densities are very low, as is usual in regions occupied by hunter-gatherer bands, survivors of a defeated group need only move farther away from their enemies. That tends to be the result of wars between nomadic bands in New Guinea and the Amazon.
Where population densities are moderate, as in regions occupied by rood-producing tribes, no large vacant areas remain to which survivors of a defeated band can flee. But tribal societies without intensive food production have no employment for slaves and do not produce large enough food surpluses to be able to yield much tribute. Hence the victors have no use tor survivors of a defeated tribe, unless to take the women in marriage. The defeated men are killed, and their territory may be occupied by the victors.

2 9 i * GUNS, GERMS, AND STEEL
Where population densities are high, as in regions occupied by states or chiefdoms, the defeated still have nowhere to flee, but the victors now have two options for exploiting them while leaving them alive. Because chiefdoms and state societies have economic specialization, the defeated can be used as slaves, as commonly happened in biblical times. Alternatively, because many such societies have intensive food production systems capable of yielding large surpluses, the victors can leave the defeated in place but deprive them of political autonomy, make them pay regular tribute in food or goods, and amalgamate their society into the victorious state or chiefdom. This has been the usual outcome of battles associated with the founding of states or empires throughout recorded history. For example, the Spanish conquistadores wished to exact tribute from Mexico's defeated native populations, so they were very interested in the Aztec Empire's tribute lists. It turned out that the tribute received by the Aztecs each year from subject peoples had included 7,000 tons of corn, 4,000 tons of beans, 4,000 tons of grain amaranth, 2,000,000 cotton cloaks, and huge quantities of cacao beans, war costumes, shields, feather headdresses, and amber.
Thus, food production, and competition and diffusion between societies, led as ultimate causes, via chains of causation that differed in detail but that all involved large dense populations and sedentary living, to the proximate agents of conquest: germs, writing, technology, and centralized political organization. Because those ultimate causes developed differently on different continents, so did those agents of conquest. Hence those agents tended to arise in association with each other, but the association was not strict: for example, an empire arose without writing among the Incas, and writing with few epidemic diseases among the Aztecs. Dingis-wayo's Zulus illustrate that each of those agents contributed somewhat independently to history's pattern. Among the dozens of Zulu chiefdoms, the Mtetwa chiefdom enjoyed no advantage whatsoever of technology, writing, or germs over the other chiefdoms, which it nevertheless succeeded in defeating. Its advantage lay solely in the spheres of government and ideology. The resulting Zulu state was thereby enabled to conquer a fraction of a continent for nearly a century.

PART FOUR
AROUND THE
WORLD IN FIVE
CHAPTERS

CHAPTER 15
yali’s people

WHEN MY WIFE, MARIE, AND I WERE VACATIONING IN Australia one summer, we decided to visit a site with well-preserved Aboriginal rock paintings in the desert near the town of Men-indee. While I knew of the Australian desert's reputation for dryness and summer heat, I had already spent long periods working under hot, dry conditions in the Californian desert and New Guinea savanna, so I considered myself experienced enough to deal with the minor challenges we would face as tourists in Australia. Carrying plenty of drinking water, Marie and I set off at noon on a hike of a few miles to the paintings.
The trail from the ranger station led uphill, under a cloudless sky, through open terrain offering no shade whatsoever. The hot, dry air that we were breathing reminded me of how it had felt to breathe while sitting in a Finnish sauna. By the time we reached the cliff site with the paintings, we had finished our water. We had also lost our interest in art, so. we pushed on uphill, breathing slowly and regularly. Presently I noticed a bird that was unmistakably a species of babbler, but it seemed enormous compared with any known babbler species. At that point, I realized that I was experiencing heat hallucinations for the first time in my life. Marie and I decided that we had better head straight back.

2. 9 6 • GUNS, GERMS, AND STEEL
Both of us stopped talking. As we walked, we concentrated on listening to our breathing, calculating the distance to the next landmark, and estimating the remaining time. My mouth and tongue were now dry, and Marie's face was red. When we at last reached the air-conditioned ranger station, we sagged into chairs next to the water cooler, drank down the cooler's last half-gallon of water, and asked the ranger for another bottle. Sitting there exhausted, both physically and emotionally, I reflected that the Aborigines who had made those paintings had somehow spent their entire lives in that desert without air-conditioned retreats, managing to find food as well as water.
To white Australians, Menindee is famous as the base camp for two whites who had suffered worse from the desert's dry heat over a century earlier: the Irish policeman Robert Burke and the English astronomer William Wills, ill-fated leaders of the first European expedition to cross Australia from south to north. Setting out with six camels packing food enough for three months, Burke and Wills ran out of provisions while in the desert north of Menindee. Three successive times, they encountered and were rescued by well-fed Aborigines whose home was that desert, and who plied the explorers with fish, fern cakes, and roasted fat rats. But then Burke foolishly shot his pistol at one of the Aborigines, whereupon the whole group fled. Despite their big advantage over the Aborigines in possessing guns with which to hunt, Burke and Wills starved, collapsed, and died within a month after the Aborigines' departure.
My wife's and my experience at Menindee, and the fate of Burke and Wills, made vivid for me the difficulties of building a human society in Australia. Australia stands out from all the other continents: the differences between Eurasia, Africa, North America, and South America fade into insignificance compared with the differences between Australia and any of those other landmasses. Australia is by far the driest, smallest, flattest, most infertile, climatically most unpredictable, and biologically most impoverished continent. It was the last continent to be occupied by Europeans. Until then, it had supported the most distinctive human societies, and the least numerous human population, of any continent.
Australia thus provides a crucial test of theories about intercontinental differences in societies. It had the most distinctive environment, and also the most distinctive societies. Did the former cause the latter? If so, how? Australia is the logical continent with which to begin our around-the-