The shepherd-state is friendly to population. Men by plenty of food multiply apace; and, in process of time, neighbouring tribes, straitened in their pasture, go to war for extension of territory, or mi-<93>grate to land not yet occupied. Necessity, the mother of invention, suggested agriculture. When corn growing spontaneously was rendered scarce by consumption, it was an obvious thought to propagate it by art: nature was the guide, which carries on its work of propagation with seeds that drop from a plant in their maturity, and spring up new plants. As the land was possessed in common, the seed of course was sown in common; and the product was stored in a common repository, to be parcelled out among individuals in want, as the common stock of animals had been formerly. We have for our authority Diodorus Siculus, that the Celtiberians divided their land annually among individuals, to be laboured for the use of the public; and that the product was stored up, and distributed from time to time among the necessitous. A lasting division of the land among the members of the state, securing to each man the product of his own skill and labour, was a great spur to industry, and multiplied food exceedingly. Population made a rapid progress, and government became an art; <94> for agriculture and commerce cannot flourish without salutary laws.
Natural fruits ripen to greater perfection in a temperate than in a cold climate, and cultivation is more easy; which circumstances make it highly probable, that agriculture became first an art in temperate climes. The culture of corn was so early in Greece, as to make a branch of its fabulous history: in Egypt it must have been coeval with the inhabitants; for while the Nile overflows, they cannot subsist without corn(a). Nor without corn could the ancient monarchies of Assyria and Babylon have been so populous and powerful as they are said to have been. In the northern parts of Europe, wheat, barley, pease, and perhaps oats, are foreign plants: as the climate is not friendly to corn, agriculture must have crept northward by slow degrees; and, even at present, it requires no small portion both of skill and industry to bring corn to maturity in such a climate. Hence it may be inferred with certainty, that the shepherd-state continued longer in northern climates than in those nearer the sun. <95> Cold countries, however, are friendly to population; and the northern people, multiplying beyond the food that can be supplied by flocks and herds, were compelled to throw off many swarms in search of new habitations. Their frequent migrations were for many years a dreadful scourge to neighbouring nations. People, amazed at the multitude of the invaders, judged, that the countries from whence they issued must have been exceedingly populous; and hence the North was termed officina gentium. But scarcity of food in the shepherd-state was the true cause; the north of Europe, in all probability, is as well peopled at present as ever it was, though its migrations have ceased, corn and commerce having put an end to that terrible scourge.* Denmark at present feeds <96> 2,000,000 inhabitants; Sweden, according to a list made up anno 1760, 2,383,113; and these countries must be much more populous than of old, when over-run with immense woods, and when agriculture was unknown. Had the Danes and Norwegians been acquainted with agriculture in the ninth and tenth centuries, when they poured out multitudes upon their neighbours, they would not have ventured their lives in frail vessels upon a tempestuous ocean, in order to distress nations who were not their enemies. But hunger is a cogent motive; and hunger gave to these pirates superiority in arms above every nation that enjoyed plenty at home. Luckily such depredations must have intervals; for as they necessarily occasion great havock even among the victors, the remainder finding sufficiency of<97> food at home, rest there till an increasing population forces them again to action.† Agriculture, which fixes people to a spot, is an invincible obstacle to migration; and happy it is for Europe, that this art, now universally diffused, has put an end for ever to that scourge, more destructive than a pestilence: people find now occupation and subsistence at home, without infesting others. Agriculture is a great blessing: it not only affords us food in plenty, but secures the fruits of our industry from hungry and rapacious invaders.‡
That the progress above traced must have proceeded from some vigorous impulse, will be admitted, considering the<98> prevailing influence of custom: once hunters, men will always be hunters, till they be forced out of that state by some overpowering cause. Hunger, the cause here assigned, is of all the most overpowering; and the same cause, overcoming indolence and idleness, has introduced manufactures, commerce, and variety of arts.*<99>
The progress here delineated has, in all temperate climates of the Old World, been precisely uniform; but it has been different in the extremes of cold and hot climates. In very cold regions, which produce little vegetable food for man, the hunter-state was originally essential. In temperate regions, as observed above, men subsisted partly on vegetable food, which is more or less plentiful in proportion to the heat of the climate. In the torrid zone, natural fruits are produced in such plenty and perfection, as to be more than sufficient for a moderate population: and, in case of extraordinary population, the transition to husbandry is easy. There are found, accordingly, in every populous country of the torrid zone, crops of rice, maize, roots, and other vegetable food, raised by the hand of man. As hunting becomes thus less and less necessary in the progress from cold to hot countries, the appetite for hunting keeps pace with that progress: it is vigorous in very cold countries, where men depend on hunting for<100> food: it is less vigorous in temperate countries, where they are partly fed with natural fruits; and there is scarce any vestige of it in hot countries, where vegetables are the food of men, and where meat is an article of luxury. The original occupation of savages, both in cold and temperate climates, is hunting, altogether essential in the former, as the only means of procuring food. The next step of the progress in both, is the occupation of a shepherd; and there the progress stops short in very cold regions, unfit for corn. Lapland, in particular, produces no vegetable but moss, which is the food of no animal but the rain-deer. This circumstance solely is what renders Lapland habitable by men. Without rain-deer, the sea-coasts within the reach of fish would admit some inhabitants; but the inland parts would be a desert. As the swiftness of that animal makes it not an easy prey, the taming it for food must have been early attempted; and its natural docility made the attempt succeed. It yields to no other animal in usefulness: it is equal to a horse for draught: its flesh is excellent food; and the female gives milk more<101> nourishing than that of a cow: its fur is fine; and the leather made of its skin is both soft and durable. In Tartary, though a great part of it lies in a temperate zone, there is little corn. As far back as tradition reaches, the Tartars have had flocks and herds; and yet, in a great measure, they not only continue hunters, but retain the ferocity of that state: they are not fond of being shepherds, and have no knowledge of husbandry. This, in appearance, is singular; but nothing happens without a cause. Tartary is one continued mountain from west to east, rising high above the countries to the south, and declining gradually to the northern ocean, without a single hill to intercept the bitter blasts of the north. A few spots excepted, a tree above the size of a shrub cannot live in it.* In Europe, the mountains of Norway and Lapland are a comfortable screen against the north wind: whence it is, that the land about Stockholm(a) pro-<102>duces both trees and corn; and even about Abo(b) the climate is tolerable. Great Tartary abounds with pasture; but extreme cold renders it very little capable of corn. Through all Chinese Tartary, even as low as the 43d degree of latitude, the frost continues seven or eight months yearly; and that country, though in the latitude of France, is as cold as Iceland. The causes are its nitrous soil, and its height, without any shelter from the west wind, that has passed through an immense continent extremely cold. A certain place near the source of the river Kavamhuran, and within 80 leagues of the great wall, was found by Father Verbeist to be 3000 geometrical paces above the level of the sea. Thus the Tartars, like the Laplanders, are chained to the shepherd-state, and can never advance to be husbandmen. If population among them ever become so considerable as to require more food than the shepherd-state can supply, migration will be their only resource.
In every step of the progress, the torrid zone differs. We have no evidence that either the hunter or shepherd state ever<103> existed there: the inhabitants, at present, subsist on vegetable food; and probably did so from the beginning. In Manila, one of the Philippine islands, the trees bud, blossom, and bear fruit all the year round. The natives, driven by Spanish invaders from the sea-coast to the inland parts, have no particular place of abode, but live under the