488 international law
classical international law.
3
The development of international law upon
the basis of the exclusive authority of the state within an accepted terri-
torial framework meant that territory became ‘perhaps the fundamental
concept of international law’.
4
Most nations indeed developed through a
close relationship with the land they inhabited.
5
The central role of territory in the scheme of international law may
be seen by noting the development of legal rules protecting its inviola-
bility. The principle of respect for the territorial integrity of states is well
founded as one of the linchpins of the international system, as is the norm
prohibiting interference in the internal affairs of other states.
6
Anumber
of factors, however, have tended to reduce the territorial exclusivity of
the state in international law. Technological and economic changes have
had an impact as interdependence becomes more evident and the rise
of such transnational concerns as human rights and self-determination
have tended to impinge upon this exclusivity.
7
The growth of interna-
tional organisations is another relevant factor, as is the development of
the ‘common heritage’ concept in the context of the law of the sea and air
law.
8
Nevertheless, one should not exaggerate the effects upon interna-
tional law doctrine today of such trends.
9
Territorial sovereignty remains
as a key concept in international law.
Since the law reflects political conditions and evolves, in most cases,
in harmony with reality, international law has had to develop a series of
rules governing the transfer and control of territory. Such rules, by the
3
See L. Delbez, ‘Du Territoire dans ses Rapports avec l’
´
Etat’, 39 Revue G´en´erale de Droit
International Public, 1932, p. 46. See also Hill, Claims to Territory,p.3.
4
D. P. O’Connell, International Law, 2nd edn, London, 1970, vol. I, p. 403. See also Jennings,
Acquisition, p. 87, and Judge Huber, The Island of Palmas case, 2 RIAA, pp. 829, 838 (1928).
5
See generally, Gottman, Significance.
6
See e.g. articles 2(4) and 2(7) of the UN Charter; the 1970 Declaration on Principles
of International Law adopted by the UN General Assembly, resolution 2625 (XXV), and
article 1 of the 1974 Consensus Definition of Aggression adopted by the General Assembly,
resolution 3314 (XXIX).
7
See e.g. R. Falk, ‘A New Paradigm for International Legal Studies: Prospects and Proposals’,
84 Yale Law Journal, 1975, pp. 969, 973, 1020. See also H. Lauterpacht, International Law
and Human Rights, London, 1950, and C. W. Jenks, The Common Law of Mankind,London,
1958.
8
See e.g. the Treaty on Outer Space, 1967 and the Convention on the Law of the Sea, 1982.
See also Shaw, ‘Territory’, pp. 65–6; and below, p. 541.
9
See e.g. the Asylum case, ICJ Reports, 1950, pp. 266, 275; 17 ILR, pp. 280, 283. The Inter-
national Court emphasised in the Malaysia/Singapore case, ICJ Reports, 2008, para. 122,
the ‘central importance in international law and relations of state sovereignty over territory
and of the stability and certainty of that sovereignty’.