Foreign Intelligence Surveillance Act of 1978 is an American law that regulated the surveillance procedures of foreign entities and persons residing in the USA and who are suspected of carrying out espionage or terrorism actions.
This law authorized non-judicial surveillance of foreign entities and individuals for up to one year. If in the event that surveillance was involved an American person, a court order was required within a period of less than 72 hours.
Barter is a system of exchange where goods or services are directly exchanged for other goods or services without using a medium of exchange, such as money