俄美会晤倒计时！普京称美方积极努力，特朗普预判谈崩概率

Group 1 - The meeting between US President Trump and Russian President Putin is scheduled to take place at the Alaskan military base, with differing expectations from both sides regarding its outcome [1][14][15] - Trump expressed a 25% risk of failure for the meeting, while also indicating optimism about reaching an agreement with Putin [5][7] - Putin stated that the US is making sincere efforts to end military actions and resolve the crisis, aiming for a lasting peace in Europe [8][11] Group 2 - The meeting will focus on the Ukraine issue, with no documents expected to be signed post-meeting, and a joint press conference planned to discuss the outcomes [11][6] - There are significant divisions among Europe, Ukraine, and the Trump administration regarding territorial issues and peace negotiations, with Europe and Ukraine opposing any territorial concessions [17] - The potential for US sanctions against Russia remains, particularly if no agreement is reached on a ceasefire, which could severely impact the Russian economy [17]