The correct options are
B As per the proposals, four principal bodies were to constitute the organization to be known as the United Nations.
C It also discussed the roles of a General Assembly and Security Council.
The delegates from the US, UK, USSR, and China met in a private mansion in Washington on 7 October 1944. They discussed the structure of the proposed international organisation that was tasked to maintain peace and security. This conference suggested the formation of four bodies: General Assembly, Security Council, International Court of Justice, and the Secretariat. The responsibilities and composition of each organisation were also discussed. However, the voting procedure in the Security Council was left open to further debate.