从反对到默许，特朗普态度为何180度大转变？

Group 1 - The article discusses President Trump's initial opposition to military action against Iran by Israel, favoring diplomatic solutions, but later shifted to support Israel's actions due to concerns over Iran's nuclear capabilities [1][2] - Israeli officials shared intelligence with the U.S. regarding their plans to strike Iran, leading to discussions about potential U.S. support, including refueling Israeli aircraft and sharing intelligence [2][4] - The U.S. military began preparations for potential support to Israel, including deploying surveillance aircraft and naval assets to the region [2][3] Group 2 - The initial attack by Israel resulted in significant casualties among Iranian military leaders and nuclear scientists, relying heavily on intelligence and resources provided by the U.S. [4] - Despite some support, Trump did not approve all of Israel's requests, particularly regarding a plan to target Iranian Supreme Leader Khamenei, which he opposed [5][6] - Trump's decision-making was influenced by the absence of U.S. casualties in the conflict, leading him to advise against the assassination of Khamenei [6]