This formula has now been tried and tested, not only in Europe but in most parts of the world, from the Mediterranean to Latin America and South-East Asia. Regional co-operation meets immediate needs, suits the characteristics and affinities of countries with close contacts, and prevents possible crises of religious and ethnic origin. In previous years much has been said -perhaps too much -about a new BHS/td A/S-18/PV. 3 29-30 (Mr. De Michelis, Italy) world economic order. A goal of such magnitude cannot be pursued all at once. It should be approached step by step and piece by piece, with the necessary concentration of effort, resources and decision-making, starting at the lower level. Secondly, we must confront the challenges capable of uniting the efforts of many, so that common interest becomes the major factor in integration. The mainspring of the Western economy has always been a clear perception of individual and collective interests. Here, too, it is advisable to enlist the interest of the more prosperous countries to ensure that their policies towards the southern hemisphere are suitable and supported by an adequate consensus. In 30 years the world population Cbubled, and it will reach 8 billion by the year 2000. We are already witnessing a mass migration from the poor to the rich countries, from the South to the North. Unless controlled, this phenomenon could, as we already perceive, result in a violent clash between different cultures and societies. Even in the past, a continent's fertility or aridity caused large-scale migrations. ~day, people are still migrating on a large scale but in smaller groups that may go almost unnoticed. Left unchecked and without adequate political and economic measures to bind people to their place of origin, this new, constantly 
**Analysis**
The text discusses global issues, such as population growth, migration, and regional cooperation, which are all related to economic and social development. It also touches on the importance of understanding individual and collective interests, which is a key aspect of economic development. Additionally, the text mentions the need for adequate political and economic measures to address the challenges of migration, which is a concern for both economic development and humanitarian aid.

**Category**
Economic development, International trade