一“９·１１”事件发生后，美国国防部部长拉姆斯菲尔德声称：“没有任何人能够阻止美国在面对恐怖主义袭击时采取的自卫行动。”乍一听来，这一说法似乎在情理之中，但根据现代国际法，美国声称要行使的“自卫权”是大有疑问的。因为国际法对于行使自卫权有种种限制。（一） After the September 11 incident, U.S. Defense Secretary Rumsfeld claimed: “There is no one who can prevent the United States from acting in self-defense in the face of a terrorist attack.” At first glance this remark seems to be at However, according to modern international law, the “right to self-defense” that the United States claims to exercise is questionable. Because international law has various restrictions on the exercise of the right to self-defense. (one)