Requests the Secretary-General to take the nec essary steps and to mobilize the resources needed, in collaboration with the organs, agencies and pro grammes of the United Nations system, in accordance with resolution 43/211 on special programmes of eco nomic assistance, to provide assistance for all disasters, natural or otherwise, striking those countries, both in order to meet any reconstruction needs resulting from disasters that have already occurred and in order to im plement preventive programmes to reduce the effects of future disasters;