i) the harmonisation of national investment codes leading to the adoption of a single Community investment code; j) the harmonization of standards and measures; k) the promotion of balanced development of the region, paying attention to the special problems of each Member State particularly those of landlocked and small island Member States; l) the encouragement and strengthening of relations and the promotion of the flow of information particularly among rural populations, women and youth organizations and socio-professional organizations such as associations of the media, business men and women, workers, and trade unions; m) the adoption of a Community population policy which takes into account the need for a balance between demographic factors and socio-economic development; n) the establishment of a fund for co-operation, compensation and development; and o) any other activity that Member States may decide to undertake jointly with a view to attaining Community objectives. ARTICLE 4: FUNDAMENTAL PRINCIPLES THE HIGH CONTRACTING PARTIES, in pursuit of the objectives stated in Article 3 of this Treaty, solemnly affirm and declare their adherence to the following principles: a. equality and inter-dependence of Member States; b. solidarity and collective self reliance; c. inter-State co-operation, harmonisation of policies and integration of programmes; d. non-aggression between Member States; e. maintenance of regional peace, stability and security through the promotion and strengthening of good neighborliness; f. peaceful settlement of disputes among Member States, active co-operation between neighbouring countries and promotion of a peaceful environment as a prerequisite for economic development; g. recognition, promotion and protection of human and peoples' rights in accordance with the provisions of the African Charter on Human and Peoples' Rights; h. accountability, economic and social justice and popular participation in development;