特朗普迎来噩耗，美国本土或遭致命打击，五角大楼开始急了

Group 1 - The current geopolitical situation indicates that the U.S. is facing significant threats, including potential attacks on its homeland, driven by global unrest and anti-American sentiments [1][2][4] - The Sahel region in Africa has emerged as a center for extremist activities, posing a growing threat to U.S. security, with groups potentially capable of launching attacks on U.S. soil [2][4] - The resurgence of ISIS in Syria highlights the ongoing challenges the U.S. faces in combating extremist organizations, which view the U.S. as a target for retaliation [6][8] Group 2 - Russia and Iran are identified as two nations with the capability to threaten the U.S., with Russia possessing a significant nuclear arsenal and Iran having advanced missile technology [8] - The U.S. is increasingly aware of the risks posed by these nations, particularly in light of their willingness to retaliate against perceived American aggression [8] - The article suggests that the era of U.S. dominance in global affairs is waning, with other nations unwilling to support U.S. interests, indicating a shift in the geopolitical landscape [8]