Description of and concerns surrounding the US Patriot Act

Q1. What are the principle functions of the USA PATRIOT Act, the Homeland Security Act, and Homeland Security Presidential Directive 5? Do you feel that these functions are effective?

Q2. What issues have been raised concerning some of the authorities granted to government agencies in the USA PATRIOT Act? Are these issues viable and justified?

Q3. What is the purpose of an in-text citation in APA Style academic writing? What is the purpose of a reference? What is the most confusing aspect of APA for you (please provide an example)