Page 209 - Encyclopedia Of World History Vol IV
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1510 berkshire encyclopedia of world history












            Mesoamerica (the region of southern North America that  malnutrition and disease far greater than do foraging
            was occupied during pre-Columbian times by peoples  societies. First, frequent births and early weaning, com-
            with shared cultural features), a transition to agriculture  bined with substitute foods and bland diets of cereals
            developed around the cultivation of maize (corn) in  and vegetables, caused malnutrition in childhood. Agri-
            combination with chili peppers, beans, and varieties of  cultural societies polluted their immediate surroundings,
            squash and pumpkins. Domesticated animals included  and human and animal wastes accumulated.Water sup-
            turkeys and guinea pigs.Another transition to agriculture  plies became contaminated by topsoil runoff and wastes
            occurred in the highlands of the Andes around cultiva-  from villages upstream. Dense habitation, of course,
            tion of potatoes, maize arriving later from central Mex-  increased disease.Villages of several hundreds each, sep-
            ico, and domesticated llamas and alpacas. Recent    arated by 15 kilometers or so, formed interactive culture
            research reveals also development of agriculture in the  zones, through which infectious diseases passed. By con-
            tropical lowlands of the Amazon and the Yucatan Penin-  trast, tiny foraging communities rarely came in contact
            sula, depending on maize, sweet potatoes, and other  with others, kept campsites clean by frequently moving,
            crops.                                              and seldom contracted illnesses.
              Agricultural societies were fundamentally different  Agricultural societies were less healthy, but villages
            from the foraging societies who surrounded them on all  multiplied relentlessly from their multiple points of ori-
            sides. First, the geographical range of agricultural soci-  gins. The scholar Jared Diamond terms this  “farmer
            eties was smaller; with a radius of perhaps 6 kilometers  power.” Hunter-gatherers may have been healthier and
            from its center, a village’s land might include 80 square  more warlike, but sheer superiority of numbers and their
            kilometers and be crossed end to end in a two-hour walk.  huge reproductive capacities drove agricultural societies
                                                                forward across frontiers. Foraging societies retreated,
            Population Increase                                 assimilated, or were wiped out, depending on local cir-
            Second, populations were much larger. Deliberately  cumstances. During the millennia from 9000 BCE to the
            growing food required vast amounts of labor but yielded  industrial age agricultural populations fanned out across
            vastly larger amounts of food than did foraging.Villages  the cultivable world.
            contained hundreds of persons, and in ideal sites with  Pastoralism was a variant of agriculture. By the fifth
            excellent water, fertile soil, and abundant forest resources,  millennium BCE some societies had become specialists in
            populations might reach a thousand or more.         the grazing of herbivorous animals, mainly cattle, sheep,
               Third, restraints on reproduction relaxed. Having  goats, yaks, and horses, later camels and reindeer.These
            adequate food and permanent dwellings—a lifestyle   societies moved the principle of domesticating animals
            known as “sedentism”—allowed women to have multiple  into semiarid lands of northern Africa, Arabia, the non-
            numbers of children, perhaps one every two or three  agricultural uplands of southwest Asia, the Iranian pla-
            years during their fertile adulthood, that is, roughly  teau, and inner Eurasia. These were regions where rain-
            eighteen to forty. During twenty years ten or more chil-  fall was inadequate for crops but sufficient for vast
            dren were possible, and six or eight were commonplace.  grasslands whose exploitation by grazing livestock sup-
            Of these, of course, perhaps half died before attaining  ported thousands of people organized in communities of
            adulthood, but three or four surviving children per  several hundreds. Not all pastoral societies were nomadic;
            woman added up to an astonishing growth rate. More  some practiced intermittent agriculture, and most traded
            material possessions, larger families, and increased sex-  with agricultural societies around them.
            uality were the advantages of a shift to agriculture.  Their patterns of reproduction were similar to those of
              Disadvantages also existed. Agricultural societies  sedentary agriculturalists but with slightly fewer births.
            show in their skeletal remains unmistakable evidence of  Mortality was slightly greater as migration between win-
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