- 1/ DIOCK-VI:LouvainX +Louv5x +31202 1 +type@sequential + block.!. Test your knowledge 1 point possible (ungraded) In the development of the creation of the United Nations, when did the principal Allied nations agree on the necessity of establishing an international organization for the maintenance of international peace and security, whithout yet having defined the structure of such a body? the Dumbarton Oaks proposals the Moscow Declaration the San Francisco Conference the Yalta conference