But so soon as gunpowder came into use, there was laid the foundation of a great change. According to the old system, a man had only to possess, what he generally inherited from his father, either a sword or a bow, and he was ready equipped for the field.[345] According to the new system, new means were required, and the equipment became more costly and more difficult. First, there was the supply of gunpowder;[346] then there was the possession of muskets, which were expensive weapons, and considered difficult to manage.[347] Then, too, there were other contrivances to which gunpowder naturally gave rise, such as pistols, bombs, mortars, shells, mines, and the like.[348] All these things, by increasing the complication of the military art, increased the necessity of discipline and practice; while, at the same time, the change that was being effected in the ordinary weapons deprived the great majority of men of the possibility of procuring them. To suit these altered circumstances, a new system was organized: and it was found advisable to train up bodies of men for the sole purpose of war, and to separate them as much as possible from those other employments in which formerly all soldiers were occasionally engaged. Thus it was that there arose standing armies; the first of which were formed in the middle of the fifteenth century,[349] almost immediately after gunpowder was generally known. Thus, too, there arose the custom of employing mercenary troops; of which we find a few earlier instances, though the practice was not fully established until the latter part of the fourteenth century.[350]
The importance of this movement was soon seen, by the change it effected in the classification of European society. The regular troops being, from their discipline, more serviceable against the enemy, and also more immediately under the control of the government, it naturally followed that, as their merits became understood, the old militia should fall, first into disrepute, then be neglected, and then sensibly diminish. At the same time, this diminution in the number of undisciplined soldiers deprived the country of a part of its warlike resources, and therefore made it necessary to pay more attention to the disciplined ones, and to confine them more exclusively to their military duties. Thus it was that a division was first broadly established between the soldier and the civilian; and there arose a separate military profession,[351] which, consisting of a comparatively small number of the total amount of citizens, left the remainder to settle in some other pursuit.[352] In this way immense bodies of men were gradually weaned from their old warlike habits; and being, as it were, forced into civil life, their energies became available for the general purposes of society, and for the cultivation of those arts of peace which had formerly been neglected. The result was, that the European mind, instead of being, as heretofore, solely occupied either with war or with theology, now struck out into a middle path, and created those great branches of knowledge to which modern civilization owes its origin. In each successive generation this tendency towards a separate organization was more marked; the utility of a division of labour became clearly recognized; and by this means knowledge itself advanced, the authority of this middle or intellectual class correspondingly increased. Each addition to its power lessened the weight of the other two classes, and checked those superstitious feelings and that love of war, on which, in an early state of society, all enthusiasm is concentrated. The evidence of the growth and diffusion of this intellectual principle is so full and decisive, that it would be possible, by combining all the branches of knowledge, to trace nearly the whole of its consecutive steps. At present, it is enough to say, that, taking a general view, this third, or intellectual, class, first displayed an independent, though still a vague, activity in the fourteenth and fifteenth centuries; that in the sixteenth century, this activity, assuming a distinct form, showed itself in religious outbreaks; that in the seventeenth century, its energy, becoming more practical, was turned against the abuses of government, and caused a series of rebellions, from which hardly any part of Europe escaped; and finally, that in the eighteenth and nineteenth centuries, it has extended its aim to every department of public and private life, diffusing education, teaching legislators, controlling kings, and, above all, settling on a sure foundation that supremacy of Public Opinion, to which not only constitutional princes, but even the most despotic sovereigns, are now rendered strictly amenable.
These, indeed, are vast questions; and, without some knowledge of them, no one can understand the present condition of European society, or form the least idea of its future prospects. It is, however, sufficient that the reader can now perceive the way in which so slight a matter as the invention of gunpowder diminished the warlike spirit, by diminishing the number of persons to whom the practice of war was habitual. There were, no doubt, other and collateral circumstances which tended in the same direction; but the use of gunpowder was the most effectual, because, by increasing the difficulty and expense of war, it made a separate military profession indispensable; and thus, curtailing the action of the military spirit, left an overplus, an unemployed energy, which soon found its way to the pursuits of peace, infused into them a new life, and began to control that lust of conquest, which, though natural to a barbarous people, is the great enemy of knowledge, and is the most fatal of those diseased appetites by which even civilized countries are too often afflicted.
The second intellectual movement, by which the love of war has been lessened, is much more recent, and has not yet produced the whole of its natural effects. I allude to the discoveries made by Political Economy: a branch of knowledge with which even the wisest of the ancients had not the least acquaintance, but which possesses an importance it would be difficult to exaggerate, and is, moreover, remarkable, as being the only subject immediately connected with the art of government that has yet been raised to a science. The practical value of this noble study, though perhaps only fully known to the more advanced thinkers, is gradually becoming recognized by men of ordinary education: but even those by whom it is understood seem to have paid little attention to the way in which, by its influence, the interests of peace, and therefore of civilization, have been directly promoted.[353] The manner in which this has been brought about, I will endeavour to explain, as it will furnish another argument in support of that great principle which I wish to establish.
It is well known, that, among the different causes of war, commercial jealousy was formerly one of the most conspicuous; and there are numerous instances of quarrels respecting the promulgation of some particular tariff, or the protection of some favourite manufacture. Disputes of this kind were founded upon the very ignorant, but the very natural notion, that the advantages of commerce depend upon the balance of trade, and that whatever is gained by one country must be lost by another. It was believed that wealth is composed entirely of money; and that it is, therefore, the essential interest of every people to import few commodities and much gold. Whenever this was done, affairs were said to be in a sound and healthy state; but, if this was not done, it was declared that we were being drained of our resources, and that some other country was getting the better of us, and was enriching itself at our expense.[354] For this the only remedy was to negotiate a commercial treaty, which should oblige the offending nation to take more of our commodities, and give us more of their gold: if, however, they refused to sign the treaty, it became necessary to bring them to reason; and for this purpose an armament was fitted out to attack a people who, by lessening our wealth, had deprived us of that money by which alone trade could be extended in foreign markets.[355]
This misconception of the true nature of barter was formerly universal;[356] and being adopted even by the ablest politicians, was not only an immediate cause of war, but increased those feelings of natural hatred by which war is encouraged; each country thinking that it had a direct interest in diminishing the wealth of its neighbours.[357] In the seventeenth, or even late in the sixteenth century, there were, indeed, one or two eminent thinkers who exposed some of the fallacies upon which this opinion was based.[358] But their arguments found no favour with those politicians by whom European affairs were then administered. It is doubtful if they were known; and it is certain that, if known, they were despised by statesmen and legislators, who, from the constancy of their practical occupations, cannot be supposed to have sufficient leisure to master each new discovery that is successively made; and who in consequence are, as a body, always in the rear of their age. The result was, that they went blundering on in the old track, believing that no commerce could flourish without their interference, troubling that commerce by repeated and harassing regulations, and taking for granted that it was the duty of every government to benefit the trade of their own people by injuring the trade of others.[359]
But in the eighteenth century, a long course of events, which I shall hereafter trace, prepared the way for a spirit of improvement, and a desire for reform, of which the world had then seen no example. This great movement displayed its energy in every department of knowledge; and now it was that a successful attempt was first made to raise Political Economy to a science, by discovering the laws which regulate the creation and diffusion of wealth. In the year 1776, Adam Smith published his Wealth of Nations; which, looking at its ultimate results, is probably the most important book that has ever been written, and is certainly the most valuable contribution ever made by a single man towards establishing the principles on which government should be based. In this great work, the old theory of protection as applied to commerce was destroyed in nearly all its parts;[360] the doctrine of the balance of trade was not only attacked, but its falsehood was demonstrated; and innumerable absurdities, which had been accumulating for ages, were suddenly swept away.[361]
If the Wealth of Nations had appeared in any preceding century, it would have shared the fate of the great works of Stafford and Serra; and although the principles which it advocated would, no doubt, have excited the attention of speculative thinkers, they would, in all probability, have produced no effect on practical politicians, or, at all events, would only have exercised an indirect and precarious influence. But the diffusion of knowledge had now become so general, that even our ordinary legislators were, in some degree, prepared for these great truths, which, in a former period, they would have despised as idle novelties. The result was, that the doctrines of Adam Smith soon found their way into the House of Commons;[362] and, being adopted by a few of the leading members, were listened to with astonishment by that great assembly, whose opinions were mainly regulated by the wisdom of their ancestors, and who were loth to believe that anything could be discovered by the moderns which was not already known to the ancients. But it is in vain that such men as these always set themselves up to resist the pressure of advancing knowledge. No great truth which has once been found has ever afterwards been lost; nor has any important discovery yet been made which has not eventually carried everything before it. Even so, the principles of Free Trade, as demonstrated by Adam Smith, and all the consequences which flow from them, were vainly struggled against by the most overwhelming majorities of both Houses of Parliament. Year by year the great truth made its way; always advancing, never receding.[363] The majority was at first deserted by a few men of ability, then by ordinary men, then it became a minority, then even the minority began to dwindle; and at the present day, eighty years after the publication of Smith's Wealth of Nations, there is not to be found any one of tolerable education who is not ashamed of holding opinions which, before the time of Adam Smith, were universally received.
Such is the way in which great thinkers control the affairs of men, and by their discoveries regulate the march of nations. And truly the history of this one triumph alone should be enough to repress the presumption of statesmen and legislators, who so exaggerate the importance of their craft as to ascribe great results to their own shifting and temporary contrivances. For, whence did they derive that knowledge, of which they are always ready to assume the merit? How did they obtain their opinions? How did they get at their principles? These are the elements of their success; and these they can only learn from their masters—from those great teachers, who, moved by the inspiration of genius, fertilize the world with their discoveries. Well may it be said of Adam Smith, and said, too, without fear of contradiction, that this solitary Scotchman has, by the publication of one single work, contributed more towards the happiness of man, than has been effected by the united abilities of all the statesmen and legislators of whom history has preserved an authentic account.
The result of these great discoveries I am not here concerned to examine, except so far as they aided in diminishing the energy of the warlike spirit. And the way in which they effected this may be easily stated. As long as it was generally believed that the wealth of a country consists of its gold, it was of course also believed that the sole object of trade is to increase the influx of the precious metals; it, therefore, became natural that Government should be expected to take measures by which such influx could be secured. This, however, could only be done by draining other countries of their gold; a result which they, for precisely the same reasons, strenuously resisted. The consequence was, that any idea of real reciprocity was impossible: every commercial treaty was an attempt made by one nation to outwit another;[364] every new tariff was a declaration of hostility; and that which ought to be the most peaceable of all pursuits became one of the causes of those national jealousies and national animosities, by which war is mainly promoted.[365] But when it was once clearly understood that gold and silver are not wealth, but are merely the representatives of wealth; when men began to see that wealth itself solely consists of the value which skill and labour can add to the raw material, and that money is of no possible use to a nation except to measure and circulate their riches; when these great truths were recognized,[366] all the old notions respecting the balance of trade, and the supreme importance of the precious metals, at once fell to the ground. These enormous errors being dispersed, the true theory of barter was easily worked out. It was perceived, that if commerce is allowed to be free, its advantages will be shared by every country which engages in it; that, in the absence of monopoly, the benefits of trade are of necessity reciprocal; and that, so far from depending on the amount of gold received, they simply arise from the facility with which a nation gets rid of those commodities which it can produce most cheaply, and receives in return those commodities which it could only produce at a great expense, but which the other nation can, from the skill of its workmen, or from the bounty of nature, afford to supply at a lower rate. From this it followed, that, in a mercantile point of view, it would be as absurd to attempt to impoverish a people with whom we trade, as it would be in a tradesman to wish for the insolvency of a rich and frequent customer. The result is, that the commercial spirit, which formerly was often warlike, is now invariably pacific.[367] And although it is perfectly true that not one merchant out of a hundred is familiar with the arguments on which these economical discoveries are founded, that does not prevent the effect which the discoveries themselves produce on his own mind. The mercantile class is, like every other, acted upon by causes which only a few members of that class are able to perceive. Thus, for instance, of all the innumerable opponents of protection, there are very few indeed who can give valid reasons to justify their opposition. But this does not prevent the opposition from taking place. For an immense majority of men always follow with implicit submission the spirit of their own time; and the spirit of the time is merely its knowledge, and the direction that knowledge takes. As, in the ordinary avocations of daily life, everyone is benefited, in the increase of his comforts, and of his general security, by the progress of many arts and sciences, of which perhaps he does not even know the name, just so is the mercantile class benefited by those great economical discoveries which, in the course of two generations, have already effected a complete change in the commercial legislation of this country, and which are now operating slowly, but steadily, upon those other European states where, public opinion being less powerful, it is more difficult to establish great truths and extirpate old abuses. While, therefore, it is perfectly true, that among merchants, a comparatively small number are acquainted with political economy, it is not the less true that they owe a large part of their wealth to the political economists; who, by removing the obstacles with which the ignorance of successive governments had impeded trade, have now settled on a solid foundation that commercial prosperity which is by no means the least of our national glories. Most assuredly is it also true, that this same intellectual movement has lessened the chance of war, by ascertaining the principles which ought to regulate our commercial relations with foreign countries; by proving, not only the inutility, but the positive mischief, caused by interfering with them; and finally, by exploding those long-established errors, which, inducing men to believe that nations are the natural enemies of each other, encouraged those evil feelings, and fostered those national jealousies, to the strength of which the military spirit owed no small share of its former influence.