(ii) The duty of neighbouring States not to hinder or harm one another in the exercise of their sovereign rights; (iii) Refraining from bringing influence to bear on nationals of a neighbouring State to the detriment of international understanding by encouraging them to engage in acts directed against the internal order or the security of that State1 (c) Development of international co-operation, including: (i) Fostering mutual contacts and consultations in important areas of common interest; / ... -A/40/450/Add.l English Page 4 (ii) Contractual settlement of problems of a transboundary nature on the basis of mutual advantage; (iii) Avoiding harm to the interests of neighbouring States in the conduct of bilateral relations. 5. The German Democratic Republic considers that the aforementioned points serve to provide concrete guidelines for all States in pursuing a policy of good-neighbourliness. Accordingly, the German Democratic Republic supports activities for ending the arms drive which is threatening mankind and for proceeding at last to general and complete disarmament. The main challenge at this juncture is, therefore, to prevent the militarization of outer space as the key prerequisite for any reduction of nuclear arms potentials and their ultimate elimination. The German Democratic Republic also works actively for the creation of nuclear- and chemical-weapon-free zones in particularly sensitive areas of our globe, and it welcomes the proposals concerning the establishment of zones of peace in the Mediterranean and the Indian Ocean tabled during the thirty-ninth session of the General Assembly as much as it supports the ideas regarding a zone free of battlefield nuclear weapons in Central Europe. Moreover, the German Democratic Republic favours the elaboration of a world treaty on the non-use of force in international relations· and the elaboration of a treaty on the mutual renunciation of the use of military force and on the maintenance of peaceful relations between 
**Analysis**
The text discusses the principles of good-neighbourliness between states, focusing on cooperation, mutual respect, and the avoidance of harm to each other's interests. It also mentions the importance of disarmament, particularly in outer space, and the creation of zones free of nuclear and chemical weapons. The text does not contain specific references to economic development, natural resources, or environmental issues.

**Category**
International relations, Science and technology