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• Introduction
• A Note On the Texts
• English Editions of the Law of Nations
• Three Essays By Vattel
• Acknowledgments
• The Law of Nations
• Advertisement
• Preface
• Preliminaries Idea and General Principles of the Law of Nations.
• Book I: Of Nations Considered In Themselves
• Chapter I: Of Nations Or Sovereign States.
• Chapter II: General Principles of the Duties of a Nation Towards Itself.
• Chapter III: Of the Constitution of a State, and the Duties and Rights of the Nation In This Respect.
• Chapter IV: Of the Sovereign, His Obligations, and His Rights.
• Chapter V: Of States Elective, Successive Or Hereditary, and of Those Called Patrimonial.
• Chapter VI: Principal Objects of a Good Government; and First to Provide For the Necessities of the Nation.
• Chapter VII: Of the Cultivation of the Soil.
• Chapter VIII: Of Commerce.
• Chapter IX: Of the Care of the Public Ways of Communication, and the Right of Toll.
• Chapter X: Of Money and Exchange.
• Chapter XI: Second Object of a Good Government,—to Procure the True Happiness of the Nation.
• Chapter XII: Of Piety and Religion.
• Chapter XIII: Of Justice and Polity.
• Chapter XIV: The Third Object of a Good Government,—to Fortify Itself Against External Attacks.
• Chapter XV: Of the Glory of a Nation.
• Chapter XVI: Of the Protection Sought By a Nation, and Its Voluntary Submission to a Foreign Power.
• Chapter XVII: How a Nation May Separate Itself From the State of Which It Is a Member, Or Renounce Its Allegiance to Its Sovereign When It Is Not Protected.
• Chapter XVIII: Of the Establishment of a Nation In a Country.
• Chapter XIX: Of Our Native Country, and Several Things That Relate to It.
• Chapter XX: Of Public, Common, and Private Property.
• Chapter XXI: Of the Alienation of the Public Property, Or the Domain, and That of a Part of the State.
• Chapter XXII: Of Rivers, Streams, and Lakes.
• Chapter XXIII: Of the Sea.
• Book II: Of a Nation Considered In Its Relations to Others
• Chapter I: Of the Common Duties of a Nation Towards Others, Or of the Offices of Humanity Between Nations.
• Chapter II: Of the Mutual Commerce Between Nations.
• Chapter III: Of the Dignity and Equality of Nations,—of Titles,—and Other Marks of Honour.
• Chapter IV: Of the Right to Security, and the Effects of the Sovereignty and Independence of Nations.
• Chapter V: Of the Observance of Justice Between Nations.
• Chapter VI: Of the Concern a Nation May Have In the Actions of Her Citizens.
• Chapter VII: Effects of the Domain, Between Nations.
• Chapter VIII: Rules With Respect to Foreigners.
• Chapter IX: Of the Rights Retained By All Nations After the Introduction of Domain and Property.
• Chapter X: How a Nation Is to Use Her Right of Domain, In Order to Discharge Her Duties Towards Other Nations, With Respect to the Innocent Use of Things.
• Chapter XI: Of Usucaption and Prescription Among Nations.
• Chapter XII: Of Treaties of Alliance, and Other Public Treaties.
• Chapter XIII: Of the Dissolution and Renewal of Treaties.
• Chapter XIV: Of Other Public Conventions,—of Those That Are Made By Subordinate Powers,—particularly of the Agreement Called In Latin Sponsio,—and of Conventions of Sovereigns With Private Persons.
• Chapter XV: Of the Faith of Treaties.
• Chapter XVI: Of Securities Given For the Observance of Treaties.
• Chapter XVII: Of the Interpretation of Treaties.
• Chapter XVIII: Of the Mode of Terminating Disputes Between Nations.
• Book III: Of War
• Chapter I: Of War,—its Different Kinds,— and the Right of Making War.
• Chapter II: Of the Instruments of War,—the Raising of Troops, &c.—their Commanders, Or the Subordinate Powers In War.
• Chapter III: Of the Just Causes of War.
• Chapter IV: Of the Declaration of War,— and of War In Due Form.
• Chapter V: Of the Enemy, and of Things Belonging to the Enemy.
• Chapter VI: Of the Enemy’s Allies—of Warlike Associations— of Auxiliaries and Subsidies.
• Chapter VII: Of Neutrality—and the Passage of Troops Through a Neutral Country.
• Chapter VIII: Of the Rights of Nations In War,—and First, of What We Have a Right to Do, and What We Are Allowed to Do, to the Enemy’s Person In a Just War.
• Chapter IX: Of the Right of War, With Regard to Things Belonging to the Enemy.
• Chapter X: Of Faith Between Enemies,—of Stratagems, Artifices In War, Spies, and Some Other Practices.
• Chapter XI: Of the Sovereign Who Wages an Unjust War.
• Chapter XII: Of the Voluntary Law of Nations, As It Regards the Effects of Regular Warfare, Independently of the Justice of the Cause.
• Chapter XIII: Of Acquisitions By War, and Particularly of Conquests.
• Chapter XIV: Of the Right of Postliminium.
• Chapter XV: Of the Right of Private Persons In War.
• Chapter XVI: Of Various Conventions Made During the Course of the War.
• Chapter XVII: Of Safe-conducts and Passports,—with Questions On the Ransom of Prisoners of War.
• Chapter XVIII: Of Civil War.
• Book IV: Of the Restoration of Peace; and of Embassies
• Chapter I: Of Peace, and the Obligation to Cultivate It.
• Chapter II: Treaties of Peace.
• Chapter III: Of the Execution of the Treaty of Peace.
• Chapter IV: Of the Observance and Breach of the Treaty of Peace.
• Chapter V: Of the Right of Embassy, Or the Right of Sending and Receiving Public Ministers.
• Chapter VI: Of the Several Orders of Public Ministers,—of the Representative Character,—and of the Honours Due to Ministers.
• Chapter VII: Of the Rights, Privileges, and Immunities of Embassadors and Other Public Ministers.
• Chapter VIII: Of the Judge of Embassadors In Civil Cases.
• Chapter IX: Of the Embassador’s House and Domestics.
• Additional Essays
• Essay On the Foundation of Natural Law and On the First Principle of the Obligation Men Find Themselves Under to Observe Laws 1
• Dissertation On This Question: “can Natural Law Bring Society to Perfection Without the Assistance of Political Laws?”
• Dialogue Between the Prince of ****and His Confidant, On Certain Essential Elements of Public Administration
• Biographical Sketches of Authors Referred to By Vattel

CHAPTER XVII

How a Nation may separate itself from the State of which it is a Member, or renounce its Allegiance to its Sovereign when it is not protected.

§200. Difference between the present case and those in the preceding chapter.We have said that an independent nation, which, without becoming a member of another state, has voluntarily rendered itself dependent on or subject to it in order to obtain protection, is released from its engagements as soon as that protection fails, even though the failure happen through the inability of the protector. But we are not to conclude that it is precisely the same case with every nation that cannot obtain speedy and effectual protection from its natural sovereign or the state of which it is a member. The two cases are very different. In the former, a free nation becomes subject to another state,—not to partake of all the other’s advantages, and form with it an absolute union of interests (for if the more powerful state were willing to confer so great a favour, the weaker one would be incorporated, not subjected),—but to obtain protection alone by the sacrifice of its liberty, without expecting any other return. When therefore the sole and indispensable condition of its subjection is (from what cause soever) not complied with, it is free from its engagements; and its duty towards itself obliges it to take fresh methods to provide for its own security. But the several members of one individual state, as they all equally participate in the advantages it procures, are bound uniformly to sup-port it: they have entered into mutual engagements to continue united with each other, and to have on all occasions but one common cause. If those who are menaced or attacked might separate themselves from the others in order to avoid a present danger, every state would soon be dismembered and destroyed. It is then essentially necessary for the safety of society, and even for the welfare of all its members, that each part should with all its might resist a common enemy, rather than separate from the others; and this is consequently one of the necessary conditions of the political association. The natural subjects of a prince are bound to him without any other reserve than the observation of the fundamental laws;—it is their duty to remain faithful to him, as it is his, on the other hand, to take care to govern them well: both parties have but one common interest; the people and the prince together constitute but one complete whole, one and the same society. It is then an essential and necessary condition of the political society, that the subjects remain united to their prince, as far as in their power.

§201. Duty of the members of a state, or subjects of a prince, who are in danger.When, therefore, a city or a province is threatened or actually attacked, it must not, for the sake of escaping the danger, separate itself from the state of which it is a member, or abandon its natural prince, even when the state or the prince is unable to give it immediate and effectual assistance. Its duty, its political engagements, oblige it to make the greatest efforts, in order to maintain itself in its present state. If it is overcome by force,—necessity, that irresistible law, frees it from its former engagements, and gives it a right to treat with the conqueror, in order to obtain the best terms possible. If it must either submit to him or perish, who can doubt but that it may and even ought to prefer the former alternative? Modern usage is conformable to this decision:—a city submits to the enemy when it cannot expect safety from a vigorous resistance; it takes an oath of fidelity to him; and its sovereign lays the blame on fortune alone.

§202. Their right when they are abandoned.The state is obliged to defend and preserve all its members (§17); and the prince owes the same assistance to his subjects. If, therefore, the state or the prince refuses or neglects to succour a body of people who are exposed to imminent danger, the latter, being thus abandoned, become perfectly free to provide for their own safety and preservation in whatever manner they find most convenient, without paying the least regard to those who, by abandoning them, have been the first to fail in their duty. The country of Zug, being attacked by the Swiss in 1352, sent for succour to the duke of Austria its sovereign; but that prince, being engaged in discourse concerning his hawks at the time when the deputies appeared before him, would scarcely condescend to hear them. Thus abandoned, the people of Zug entered into the Helvetic confederacy.* The city of Zurich had been in the same situation the year before. Being attacked by a band of rebellious citizens who were supported by the neighbouring nobility and the house of Austria, it made application to the head of the empire: but Charles IV.73 who was then emperor, declared to its deputies that he could not defend it;—upon which, Zurich secured its safety by an alliance with the Swiss.† The same reason has authorised the Swiss in general to separate themselves entirely from the empire, which never protected them in any emergency: they had not owned its authority for a long time before their independence was acknowledged by the emperor and the whole Germanic body, at the treaty of Westphalia.

[* ] See Etterlin, Simler, and de Watteville.

[73. ] Bullinger discusses the events Vattel refers to at Zurich, including the role of Charles IV (r. 1355–78), in his famous Chronicle of Zurich (“Tigurinerchronik,” pt. 1, bk. 8, chap. 5). Never published, the Chronicle was available only in several manuscript copies (see Zentralbibliothek Zürich, Ms. Car 43 and 44; for the relevant passage see Car 43, p. 371r–374v). Vattel may well have had access to the Chronicle, although there is no evidence to support such a claim.

[† ] See the same historians, and Bullinger, Stumpf, Tschudi, and Stettler.