By voluntarily merging into another State, a State loses all its independence and becomes a mere part of another. In this way the Duchy of Courland merged in 1795 into Russia, the two Principalities of Hohenzollern-Hechingen and Hohenzollern-Sigmaringen in 1850 into Prussia, the Congo Free State in 1908 into Belgium, and Korea in 1910 into Japan. And the same is the case if a State is subjugated by another. In this way the Orange Free State and the South African Republic were absorbed by Great Britain in 1901. An example of the breaking up of a State into different States is the division of the Swiss canton of Basle into Basel-Stadt and Basel-Land in 1833. And an example of the breaking up of a State into parts which are annexed by surrounding States, is the absorption of Poland by Russia, Austria, and Prussia in 1795.
IV SUCCESSION OF INTERNATIONAL PERSONS
Grotius, II. c. 9 and 10—Pufendorf, VIII. c. 12—Hall, §§ 27-29—Phillimore, I. § 137—Lawrence, § 49—Halleck, I. pp. 89-92—Taylor, §§ 164-168—Westlake, I. pp. 68-83—Wharton, I. § 5—Moore, I. §§ 92-99—Wheaton, §§ 28-32—Bluntschli, §§ 47-50—Hartmann, § 12—Heffter, § 25—Holtzendorff in Holtzendorff, II. pp. 33-47—Liszt, § 23—Ullmann, § 32—Bonfils, Nos. 216-233—Despagnet, Nos. 89-102—Pradier-Fodéré, I. Nos. 156-163—Nys, I. pp. 399-401—Rivier, I. § 3, pp. 69-75 and p. 438—Calvo, I. §§ 99-103—Fiore, I. Nos. 349-366—Martens, I. § 67—Appleton, "Des effets des annexions sur les dettes de l'état démembré ou annexé" (1895)—Huber, "Die Staatensuccession" (1898)—Keith, "The Theory of State Succession, with special reference to English and Colonial Law" (1907)—Cavaglieri, "La dottrina della successione di stato a stato, &c." (1910)—Richards in The Law Magazine and Review, XXVIII. (1903), pp. 129-141—Keith in Z.V. III. (1909), pp. 618-648—Hershey in A.J. V. (1911), pp. 285-297.
[110] The following text treats only of the broad outlines of the subject, as the practice of the States has hardly settled more than general principles. Details must be studied in Huber, "Die Staatensuccession" (1898), and Keith, "The Theory of State Succession, &c." (1907); the latter writer's analysis of cases in Z.V. III. (1909), pp. 618-648, is likewise very important.
Common Doctrine regarding Succession of International Persons.
§ 80. Although there is no unanimity among the writers on International Law with regard to the so-called succession of International Persons, nevertheless the following common doctrine can be stated to exist.
A succession of International Persons occurs when one or more International Persons take the place of another International Person, in consequence of certain changes in the latter's condition.
Universal succession takes place when one International Person is absorbed by another, either through subjugation or through voluntary merger. And universal succession further takes place when a State breaks up into parts which either become separate International Persons of their own or are annexed by surrounding International Persons.
Partial succession takes place, first, when a part of the territory of an International Person breaks off in a revolt and by winning its independence becomes itself an International Person; secondly, when one International Person acquires a part of the territory of another through cession; thirdly, when a hitherto full Sovereign State loses part of its independence through entering into a Federal State, or coming under suzerainty or under a protectorate, or when a hitherto not-full Sovereign State becomes full Sovereign; fourthly, when an International Person becomes a member of a Real Union or vice versa.