近20位领导人赴东盟峰会，东帝汶入盟，美国关税问题成讨论重点

Group 1 - The ASEAN Summit will take place from October 26 to 28 in Kuala Lumpur, Malaysia, with participation from nearly 20 world leaders, marking the 47th summit since ASEAN's establishment [1][3] - ASEAN consists of 10 member countries with a total population of 678 million and a combined GDP of $3.9 trillion, and Timor-Leste is the newest member [1][3] - The summit will address urgent issues such as U.S. tariffs and access to rare earth minerals, which are crucial for high-tech manufacturing [3] Group 2 - All ASEAN leaders, except Myanmar's acting president, will attend the summit, where discussions will include the ongoing civil war in Myanmar and the proliferation of scam centers in Southeast Asia [3][4] - The absence of Myanmar at the summit is due to its ongoing civil conflict, which has prevented it from assuming the ASEAN chairmanship next year, a role that will go to the Philippines [3][4] Group 3 - ASEAN's five-point consensus from 2021 called for an immediate ceasefire in Myanmar and humanitarian aid, but critics argue it has had little effect on the crisis [4] - The summit is expected to discuss the implications of Myanmar's situation on regional security and social cohesion, with concerns about drug and arms trafficking and a refugee crisis [4] Group 4 - ASEAN faces criticism for its lack of enforcement mechanisms to ensure member compliance with decisions, unlike the European Union [5] - This characteristic stems from ASEAN's historical context, established during a period of decolonization, emphasizing the independence of member states [5]