美乌几经波折终签署矿产协议，如何左右乌克兰局势？

Group 1 - The core point of the news is the signing of the U.S.-Ukraine mineral agreement, which aims to establish a reconstruction investment fund to attract global investment into Ukraine [1][3][4] - The agreement allows Ukraine to retain ownership of all assets within its territorial waters and is jointly managed by the U.S. and Ukraine on a 50:50 basis, with no party holding dominant control [3] - The final agreement does not include any clauses regarding Ukraine's debt, contrasting with earlier proposals that suggested using the agreement as a means for Ukraine to repay U.S. aid [3][4] Group 2 - The signing of the mineral agreement is seen as a significant step in U.S.-Ukraine relations and may contribute to easing the ongoing Ukraine crisis [5] - Recent interactions between U.S. President Trump and Ukrainian President Zelensky indicate a willingness to continue dialogue, despite previous tensions [5][6] - The agreement is perceived as a strategic move for both parties, with Ukraine seeking security assurances and the U.S. aiming to leverage political advantages for economic gains [3][5]