Money, money, money, must be funny, in the Rich Universities world

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Across
  1. 4. The name of the eight emblematic universities in the USA.
  2. 5. The name of a graph that can be represented by a pie or a succession of bars.
  3. 6. The amount of money an individual or a private company can offer to a University.
Down
  1. 1. The American University which gets the largest endowment in the years 2010s
  2. 2. endowments are presented as a philantropic tool or a .... to rub donators up the right way ( cf. promotional video of Texas University)
  3. 3. How Texas universities like TAMUS or UT System manage to get huge endowments :by ............. lands to oil and gas companies.