For many years the attorney general could authorize surveillance of foreign powers and agents of foreign powers without any court review, but in 1978 Congress passed the which provided for court oversight of foreign surveillance.

Foreign Intelligence Surveillance Act.

Explanation:

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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.

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b)

it created free trade throughout the colonial territories.

for the 2 countries u can do china and america because america has a democratic government while china has a communist government.

a democracy is a government run by the people either by directly voting or indirectly by electing representatives. an oligarchy is a government run by a few or a small group of people. a democracy and oligarchy are similar because both in an oligarchy and an indirect democracy, a small group of induvial determine the laws for a large group of people they are different because in an oligarchy it is easier to control and they do not have to answer to a large number of people in the country, unlike a democracy where they do have to answer to a large number of people an county that is a democracy would be the united states. a country that is an oligarchy would be the china.