Welcomes with special satisfaction the adoption by the African leaders of the final text of the African Nuclear-Weapon-Free-Zone Treaty (the Pelindaba Treaty), 5/ which constitutes an event of historic significance in the efforts to prevent the proliferation of nuclear weapons and to promote international peace and security and which, at the same time, recognizes the right of African countries to use nuclear energy for peaceful purposes in order to accelerate the economic and social development of their peoples;