Which president's administration coined the phrase executive privilege?

Which president's administration coined the phrase executive privilege?
 
  a. Andrew Jackson
  b. William Howard Taft
  c. Dwight Eisenhower
  d. Richard Nixon

Question -2-

Trust in government is needed to maintain critical resources of democratic government. When there is, however, a decline in trust, there may be no
 
  a. mass compliance with laws.
  b. financial support of government through taxes.
  c. willingness of people to enter government service.
  d. All of the above are true.

Question -3-

This Florentine statesman ruled Florence during the Italian Renaissance. Machiavelli sought to curry favor with his family when writing The Prince.
 
  a. John Locke
  b. Thomas Hobbes
  c. Jean-Jacques Rousseau
  d. Karl Marx
  e. Lorenzo De'Medici

Question -4-

Although recognizing the legitimacy of executive privilege as a means of protecting nation security, the Supreme Court held that the privilege was not absolute and that the President had no right to frustrate a legitimate criminal investigation in
 
  a. Youngstown Sheet and Tube Co. v. Sawyer (1952).
  b. Wiener v. United States (1958).
  c. United States v. Nixon (1974).
  d. Clinton v. Jones (1997).

Question -5-

This social and political movement primarily seeks to prevent the further deterioration of our natural resources.
 
  a. Socialism
  b. Capitalism
  c. Feminism
  d. Environmentalism
  e. Traditional conservatism