Looking at the richest people in America, excluding those who inherited their wealth from Wal-Mart ...

Looking at the richest people in America, excluding those who inherited their wealth from Wal-Mart founder Sam Walton, they became wealthy due to
 
  a. buying and selling international currencies. .
  b. companies they created or run.
  c. investments in future markets.
  d. overseas trading .

Question -2-

Why does Aristotle hypothesize that a democracy needs a strong middle class?
 
  a. Because it will balance the interests of the wealthy and the poor
  b. Because virtue is found in the means between the extremes
  c. Because the pursuit of wealth should be open to the many not just the few
  d. Because the state cannot flourish if its people are not fed
  e. Because the middle class is a group prone to reason

Question -3-

The Supreme Court has held that Congress may place limitation on the President's power to
 
  a. issue pardons and amnesties.
  b. appoint heads of executive departments.
  c. remove officials who perform quasi-legislative or quasi-judicial duties.
  d. negotiate treaties with foreign countries.