The United Nations must reflect and embody the highest priority of most peoples and most nations ; that priority today is development — sustainable , people-centred development . Mr. Dlamini ( Swaziland ) : It is my great privilege to address the Assembly on behalf of the delegation of the Kingdom of Swaziland on the agenda item entitled “ Implementation of the United Nations New Agenda for the Development of Africa in the 1990s ” ( UN-NADAF ) .