The BRICS summit called for the maintenance of "an open, transparent, fair and predictable, inclusive, equitable, non-discriminatory, rules-based multilateral trading system, with the World Trade Organization at its core." The Bretton Woods Agreement of July 22, 1944, in the United States, is an agreement between the member states of the United Nations, in order to establish a system of exchange rates for developed countries; under the agreement, the US dollar became the currency of the international reserve.The Bretton Woods Conference resulted in the establishment of the World Bank, the International Monetary Fund and the General Tariff Agreement.In the past, BRICS leaders have focused in particular on the growing role of the New Development Bank, which the group established, in 2015, to facilitate the financing of new infrastructure projects. The BRICS summit stressed the importance of encouraging the use of local currencies in international trade and financial transactions between the members of the group, as well as among their trading partners.This concept has acquired new significance, given the West's use of major reserve currencies as a weapon in order to achieve its geopolitical goals.South African President Cyril Ramaphosa said at the summit: Similarly, Brazilian President Lula da Silva touched on the idea of creating a "new reference unit" for the BRICS countries, which would protect emerging markets from the fluctuations of the Group of Seven currencies caused by irresponsible monetary measures.While the concept of a common currency was not discussed in detail during the 15th BRICS summit, Russian Finance Minister Anton Siluanov revealed on August 22, 2023 that BRICS member states continue to discuss the creation of a "single unit of account." In fact, it is a single currency (similar to the euro in the European Union), but it is a tool through which "the cost of delivery of basic commodities and the standards of certain commodities can be expressed, so that they do not depend on a single currency or the center of their issuance." On the last day of the 15th BRICS summit, BRICS leaders announced that they had decided to invite Argentina, Egypt, Iran, Ethiopia, the United Arab Emirates and Saudi Arabia to join the group. For South African President Cyril Amaphosa, "the admission of new members to the BRICS is just the first stage of the process of expanding the group.As Russian Foreign Minister Sergey Lavrov explained on the same day, the participants in the BRICS agreed that the name of the group would not change after the new countries joined it, because it would prove continuity.The BRICS expansion is expected to increase mutual investments among member states and deepen further cooperation.How BRICS+ can affect the economy and politics.How BRICS+ can affect the economy and politics. Sources believe to "Sputnik", that it is possible that the acceptance of 6 new members in the "BRICS" as well as the shift to new payment systems, will have a significant impact on the global balance of power.Brazilian President, Luiz Inácio Lula da Silva, predicted on the last day of the summit, on Thursday, that "the gross domestic product of the "BRICS+" group will reach 37% of the global GDP in terms of purchasing power parity, while the group's population will represent 46% of the world's population.The political analyst said. Hong Kong-based Malian Angelo Giuliano told Sputnik: "So this would be a complete challenge, the first priority of those countries is to challenge the dominance of the U.S. dollar, surpass the dollar, and go through a clearing house that would actually benefit everyone and ensure independence."At the same time, the BRICS commitment to inclusiveness will give votes to those emerging economies of the Global South, which have long been underrepresented in Western-centered international organizations," according to Giuliano.The expert assumes that "in the UN Security Council, for example, we don't have any African countries, so they can't change the UN, and maybe the BRICS could form the new foundation of nations." Patrick Bond, a professor of political economy at the University of the Witwatersrand, believes that "another interesting point at the BRICS 2023 summit is Saudi Arabia's decision to join the group, especially since it has long been considered a "very important imperial ally of the United States." Bond also pointed out in his speech to Riyadh's rapprochement with Beijing, and the historic peaceful settlement between Saudi Arabia and Iran mediated by China, noting that "Saudi Arabia severed its historical petrodollar relationship (selling oil against the US dollar), and began selling some of its oil against the Chinese yuan." For his part, the head of the Ethiopian Institute of Public Diplomacy, Yassin Ahmed, said in his statements to "Sputnik", that "Ethiopia looks forward to joining the BRICS group to promote the new foreign policy of the Ethiopian government led by Ethiopian Prime Minister, Abiy Ahmed." The Ethiopian researcher stressed that "the Ethiopian nation also wants to move away from the dollar and participate in the creation of a multipolar system of international relations."