The allows surveillance, without court order, within the United States for up to a year unless the "surveillance will acquire the contents of any communication to which a U. S. person is a party."

The correct answer is The Foreign Intelligence Surveillance Act

The Foreign Intelligence Surveillance Act is a federal law that provides for different procedures for physical and electronic surveillance and the collection of intelligence information between major foreign powers, thus guaranteeing a mode of international security in relation to other world nations, preventing the United States from entering into complicated situations.

answer; i believe that the correct answer is (scientific approach)

answer; (d) all of the above; 100%