The Patriot Act was passed in 2001 in response to the 9/11 terrorist attacks. It aimed to strengthen national security by expanding the surveillance and investigative powers of law enforcement. Specifically, it reduced restrictions on searching communications and financial records and broadened the definition of terrorism. While intended to prevent further attacks, the Patriot Act has been criticized for compromising civil liberties and privacy in its application of expanded government powers. Overall, the document discusses the security versus liberty debate in the context of the Patriot Act and its impact on balancing those priorities after 9/11.