text: sacrifices of the Namibian people for its independence and freedom. Its victory is a tribute to Africa, and the Organization of African Uni tv and all the nations gathered together within the United Nations, whose activities were particularly decisive in implementin:J Security Council resolution 435 (1978). The eighteenth special session of the General Asserrbly is beinq held at a time when the challenges of our aqe are more complex and urqent than ever before. We therefore regard it as a milestone in the struqqle against underdevelopment and the inequities of the international economic svstem. JP/td A/S-18/PV.7 68 (Mr. Ado do, Toqo) , However, before dealing with the subiect, I should 1 ike to extend to our President the warmest congratulations of the Toqolese delegation on the outstandinq manner in which he has been guiding our work. We also wish to PaY tribute to the Chairman of the Preparatory Committee fbr the special session, Mr. Zepos, for the abili tv, sPirit of co-operation and wisdom that he has sho\lln throuqhout the preparations for this session. We also extend to the Secretary-General, Mr. Javier Perez de Cuellar, our sincere thanks for the work he has been doinq in support of peace and development, with his well-known couraqe, far-siqhtedness, faith and resolve. The recent dizzying acceleration in the pace of history has shaken the political and ideological beliefs that have fashioned this century. The changes occurring in societies today require us all to be more analytical, more imaqinative and more determined so as to make the best possible use of these developments for the benefit of a balanced world and for peace. Detente, which seems to be a feature of international relations today, will be lasting only if it is accompanied by true economic detente in favour of the poorest. 
analysis: The text appears to be a speech or statement by a high-ranking official, likely from the United Nations or a related organization. The language is formal and diplomatic, and the content focuses on international relations, development, and global challenges. The speaker praises the independence of Namibia and the role of the United Nations in achieving it, and emphasizes the importance of cooperation and economic development. The text does not mention specific economic or environmental issues, but rather uses broader language to discuss the need for international cooperation and economic development.