争吵半年后，泽连斯基又要去白宫了

Group 1 - The core viewpoint of the articles revolves around the upcoming meeting between US President Trump and Ukrainian President Zelensky on August 18 in Washington, with a focus on the potential outcomes and implications for Ukraine's peace process [1][2][3]. - German Chancellor Merz expresses optimism that the meeting will not result in the same humiliation for Zelensky as in their previous encounter, emphasizing the importance of taking the right steps for Ukraine's peace [2]. - European leaders, including French President Macron and UK Prime Minister Starmer, are convening a "voluntary alliance" meeting prior to Zelensky's visit, indicating a coordinated effort to support Ukraine [2][3]. Group 2 - The "voluntary alliance," consisting of over 30 countries, is preparing to send ground troops to Ukraine after the conflict, highlighting a significant commitment to Ukraine's security [4]. - Trump has denied the significant role of European leaders in resolving the Ukraine crisis, asserting that they heavily rely on him for solutions [4]. - Russian President Putin has proposed a ceasefire condition requiring Ukraine to withdraw from Donetsk and Luhansk regions, indicating a potential shift in the conflict dynamics [5][6].