Group 1 - The G20 summit will take place in Johannesburg, South Africa, on September 22-23, with the theme of "Unity, Equality, Sustainability," marking the first time the summit is held on the African continent [1] - South African President Ramaphosa stated that the U.S. changed its stance at the last minute and expressed a desire to participate in the summit, welcoming U.S. involvement in any form [3] - The U.S. government plans to send only a diplomatic official to confirm its upcoming presidency and prepare for next year's summit, according to White House Press Secretary Levitt [3] Group 2 - South African officials reported that the U.S. advised against passing any joint statements at the summit, suggesting that the absence of the U.S. would hinder consensus [4] - Multi-national leaders, including German Chancellor Merz, expressed hope for a joint declaration despite uncertainties regarding the outcomes [4] - The summit will focus on three main agendas: achieving inclusive and sustainable economic growth, building resilience in disaster response and climate change, and establishing fairness in critical mineral sectors [4]