legitimate interests of each people and all the three peoples. 3. Develop long-term co-operation and mutual assistance be­ tween two or three parties in all fields in the spirit of friendship and brotherhood, free consent and on the basis of equality and mutual benefit. 4. Strengthen solidarity among the three peoples against any manoeuvre of division by enemies and any manifestation of big­ Power chauvinism and narrow-minded nationalism: constantly edu­ cate the people of the three countries on the traditional friendship and special relationship among them. as well as against any activity that might harm their friendship. The above-mentioned principles which guide relations among the three lndo-Chinese countries not only meet the interests of the lhree peoples and accord with their long-standing tradition of solidarity and friendship. but also conform to the spirit of international agreements on lndo-China and the principles of the Charter of the United Nations and of the movement of non-aligned countries. They lead the parties concerned to agree to the following: I. The summit conference of Laos. Kampuchea and Viet Nam will be convened after leaders of the three countries consult with one another by way of conferences of Foreign Minislets of the thre·e countries. 2. The conference of Foreign Ministers of Laos. Kampuchea and Viet Nam will be held twice a year lo deal with all problems concerning relations among the three countries during the interval between summit conferences. 3. A committee for economic co-operation of l.a,,s. Kampuchea and Viet Nam will be established in each countr) to promote cc,1- nomic co-operation and co-ordination of national plans for economic development. The three committees will meet twice a ) car. 4. Whenever feasible. com111issions will be ~cl up li>r c,,. operation among the three countries in the spccili, se,1,,rs of c,,,n­ omy. culture. science and technoloi:~. ~p,>rts and ph) skal l"duea­
**Analysis**
This text appears to be a declaration or agreement between three countries (Laos, Kampuchea, and Viet Nam) outlining the principles and mechanisms for cooperation and development among them. The text mentions various aspects of cooperation, including economic cooperation, mutual assistance, solidarity, and coordination of national plans. The language used is formal and diplomatic, suggesting that the text is a official agreement or declaration.

**Category**
Economic development, Culture, Science and technology