Group 1 - The core viewpoint of the articles highlights the increasing diplomatic efforts by Europe in response to the upcoming US-Russia summit, particularly concerning the Ukraine issue, indicating a divergence in policy positions between Europe and the US [1][2] - European leaders emphasize the necessity of Ukraine's involvement in any diplomatic resolution regarding the crisis, asserting that decisions affecting Ukraine's peace must include Ukrainian representation [2][3] - There is a strong desire from European nations for the US to increase pressure on Russia, with a collective statement underscoring the importance of continued support for Ukraine and the implementation of restrictive measures against Russia [2][3] Group 2 - European leaders express concerns about being sidelined in US-Russia negotiations, particularly fearing that the US may make concessions regarding territorial issues to expedite conflict resolution [2][4] - The articles reflect a sense of distrust towards the US, particularly under the Trump administration, with worries that US policies may undermine European interests while also highlighting Europe's dependency on US military support [4][5] - Recent data indicates that Europe has surpassed the US as the largest aid provider to Ukraine, although much of this aid is directed towards purchasing US-made weapons, showcasing Europe's reliance on the US for military capabilities [6]