Article 4 (Portuguese citizenship) All persons whom the law or an international convention considers to be Portuguese citizens are such citizens. Article 5 (Territory) 1. Portugal comprises the territory on the European mainland that is historically defined as Portuguese, and the Azores and Madeira archipelagos. 2. The law shall define the extent and limit of Portugal’s territorial waters, its exclusive economic zone and its rights to the adjacent seabeds. 3. Without prejudice to the rectification of borders, the state shall not dispose of any part of Portuguese territory or of the sovereign rights that it exercises thereover. Article 6 (Unitary state) 1. The state is unitary and the way in which it is organised and functions shall respect the autonomous island system of self-government and the principles of subsidiarity, the autonomy of local authorities and the democratic decentralisation of the Public Administration. 2. The Azores and Madeira archipelagos are autonomous regions with their own political and administrative statutes and self-government institutions. Article 7 (International relations) 1. In its international relations Portugal is governed by the principles of national independence, respect for human rights, the rights of peoples, equality between states, the peaceful settlement of international conflicts, non-interference in the internal affairs of other states and cooperation with all other peoples with a view to the emancipation and progress of mankind. 2. Portugal advocates the abolition of imperialism, colonialism and any other forms of aggression, dominion and exploitation in the relations between peoples, as well as simultaneous and controlled general disarmament, the dissolution of the political-military blocs and the establishment of a collective security system, with a view to the creation of an international order that is capable of ensuring peace and justice in the relations between peoples. 3. Portugal recognises peoples’ rights to self-determination and independence and to development, as well as the right of insurrection against all forms of oppression. 4. Portugal maintains privileged ties of friendship and cooperation with Portuguese-speaking countries.