The multilateral cooperation which has grown up in the United Nations system has proved itself to be irreplaceable, despite a host of difficulties. The desire to take collective responsibility for all the different world problems, based on the principle of the equality of states, was what gave rise to the UN system in the first place. This project to build a community of interdependent nations has taken on a wider dimension with the emergence within the international community of new sovereign states, anxious to play their full part in deciding and directing the affairs of the world.