引言“9·11”事件发生后,美国政府采取一系列措施打击恐怖主义活动,对外采取军事手段打击恐怖分子活动基地,对内则通过立法、执法等手段打击、遏制和预防本土的恐怖主义犯罪活动。在这些反恐立法中,影响最大、 Introduction After the “9.11” incident, the U.S. government took a series of measures to combat terrorist activities and used military measures to combat the terrorist activities. Internally, the U.S. government cracked down on and prevented the terror on the territory by means of legislation and law enforcement Socialist criminal activities. In these anti-terrorism legislation, the greatest impact,