The Rights of War and Peace

by Hugo Grotius

The general destruction, which the Almighty, in right of his supreme Majesty, has sometimes decreed and executed, is not a rule, which we can presume to follow. He has not invested men, in the exercise of power, with those transcendent sovereign rights. Yet he himself, notwithstanding the unchangeable nature of his sovereign will, was inclined to spare the most wicked cities, if ten righteous persons could be found therein. Examples like these may furnish us with rules to decide, how far the rights of war against an enemy may be exercised or relaxed.

V. It frequently occurs as a matter of inquiry, how far we are authorised to act against those, who are neither enemies, nor wish to be thought so, but who supply our enemies with certain articles. For we know that it is a point, which on former and recent occasions has been contested with the greatest animosity; some wishing to enforce with all imaginary rigour the rights of war, and others standing up for the freedom of commerce.

In the first place, a distinction must be made between the commodities themselves. For there are some, such as arms for instance, which are only of use in war; there are others again, which are of no use in war, but only administer to luxury; but there are some articles, such as money, provisions, ships and naval stores, which are of use at all times both in peace and war.

As to conveying articles of the first kind, it is evident that any one must be ranked as an enemy, who supplies an enemy with the means of prosecuting hostilities. Against the conveyance of commodities of the second kind, no just complaint can be made.—And as to articles of the third class, from their being of a doubtful kind, a distinction must be made between the times of war and peace. For if a power cannot defend itself, but by intercepting the supplies sent to an enemy, necessity will justify such a step, but upon condition of making restoration, unless there be some additional reasons to the contrary. But if the conveyance of goods to an enemy tends to obstruct any belligerent power in the prosecution of a lawful right, and the person so conveying them possesses the means of knowing it; if that power, for instance, is besieging a town, or blockading a port, in expectation of a speedy surrender and a peace, the person, who furnishes the enemy with supplies, and the means of prolonged resistance, will be guilty of an aggression and injury towards that power. He will incur the same guilt, as a person would do by assisting a debtor to escape from prison, and thereby to defraud his creditor. His goods may be taken by way of indemnity, and in discharge of the debt. If the person has not yet committed the injury, but only intended to do so, the aggrieved power will have a right to detain his goods, in order to compel him to give future security, either by putting into his hands hostages, or pledges; or indeed in any other way. But if there are evident proofs of injustice in an enemy's conduct the person who supports him in such a case, by furnishing him with succours, will be guilty not barely of a civil injury, but his giving assistance will amount to a crime as enormous, as it would be to rescue a criminal in the very face of the judge. And on that account the injured power may proceed against him as a criminal, and punish him by a confiscation of his goods.

These are the reasons, which induce belligerent powers to issue manifestoes, as an appeal to other states, upon the justice of their cause, and their probable hopes of ultimate success. This question has been introduced under the article, which refers to the law of nature, as history supplies us with no precedent to deduce its establishment from the voluntary law of nations.

We are informed by Polybius, in his first book, that the Carthaginians seized some of the Romans, who were carrying supplies to their enemies, though they afterwards gave them up, upon the demand of the Romans. Plutarch says that when Demetrius had invested Attica, and taken the neighbouring towns of Eleusis and Rhamnus, he ordered the master and pilot of a ship, attempting to convey provisions into Athens, to be hanged, as he designed to reduce that city by famine: this act of rigour deterred others from doing the same, and by that means he made himself master of the City.

VI. Wars, for the attainment of their objects, it cannot be denied, must employ force and terror as their most proper agents. But a doubt is sometimes entertained, whether stratagem may be lawfully used in war. The general sense of mankind seems to have approved of such a mode of warfare. For Homer commends his hero, Ulysses, no less for his ability in military stratagem, than for his wisdom. Xenophon, who was a philosopher as well as a soldier and historian, has said, that nothing can be more useful in war than a well-timed stratagem, with whom Brasidas, in Thucydides agrees, declaring it to be the method from which many great generals have derived the most brilliant reputation. And in Plutarch, Agesilaus maintains, that deceiving an enemy is both just and lawful. The authority of Polybius may be added to those already named; for he thinks, that it shews greater talent in a general to avail himself of some favourable opportunity to employ a stratagem, than to gain an open battle. This opinion of poets, historians, and philosophers is supported by that of Theologians. For Augustin has said that, in the prosecution of a just war, the justice of the cause is no way affected by the attainment of the end, whether the object be accomplished by stratagem or open force, and Chrysostom, in his beautiful little treatise on the priestly office, observes, that the highest praises are bestowed on those generals, who have practised successful stratagems. Yet there is one circumstance, upon which the decision of this question turns more than upon any opinion even of the highest authority, and that is, whether stratagem ought to be ranked as one of those evils, which are prohibited under the maxim OF NOT DOING EVIL, THAT GOOD MAY ENSUE, or to be reckoned as one of those actions, which, though evil IN THEMSELVES, may be so modified by particular occasions, as to lose their criminality in consideration of the good, to which they lead.

VII. There is one kind of stratagem, it is proper to remark, of a negative, and another of a positive kind. The word stratagem, upon the authority of Labeo, taken in a negative sense, includes such actions, as have nothing criminal in them, though calculated to deceive, where any one, for instance, uses a degree of dissimulation or concealment, in order to defend his own property or that of others.[58] So that undoubtedly there is something of harshness in the opinion of Cicero, who says there is no scene of life, that will allow either simulation, or dissimulation to be practised. For as you are not bound to disclose to others all that you either know or intend; it follows that, on certain occasions, some acts of dissimulation, that is, of concealment may be lawful. This is a talent, which Cicero, in many parts of his writings, acknowledges that it is absolutely necessary for statesmen to possess. The history of Jeremiah, in the xxxviiith chapter of his prophecy, furnishes a remarkable instance of this kind. For when that prophet was interrogated by the king, respecting the event of the siege, he prudently, in compliance with the king's orders, concealed the real matter from the nobles, assigning a different, though not a false reason for the conference, which he had had. In the same manner, Abraham called Sarah, his sister, an appellation used familiarly at that time to denote a near relation by blood, concealing the circumstance of her being his wife.

VIII. A stratagem of a positive kind, when practised in actions, is called a feint, and when used in conversation it receives the name of a lie or falsehood. A distinction is made by some, between these two kinds of stratagems, who say, that words are signs of our ideas, but actions are not so. But there is more of truth in the opposite opinion, that words of themselves unaccompanied by the intention of the speaker, signify nothing more than the inarticulate cries would do of any one labouring under grief, or any other passion: which sounds come under the denomination of actions, rather than of speech. But should it be said that being able to convey to others the conceptions of his mind, by words adapted to the purpose, is a peculiar gift of nature, by which man is distinguished from other parts of the animated creation, the truth of this cannot be denied.

To which we may add that such communication may be made not only by words, but by signs or gestures, like those used to the dumb; it makes no difference, whether those signs or gestures have any natural connection with the thing they are intended to signify, or whether such a connection is only assigned to them by custom. Equivalent to such signs or gestures is handwriting, which may be considered, as a dumb language, deriving its force not merely from the words used, and the particular form of the letters, but from the real intention of the writer, to be gathered from thence:—to be gathered either from the resemblance between the characters and the intentions, as in the Egyptian hieroglyphics, or from pure fancy, as among the Chinese.