What are the two general principles that determine whether the federal courts have jurisdiction over a case

"it is true that we are called a democracy, for the administration is in the hands of the many and not the few." pericles athenian statesman, 5th century b. c.e. what kind of democracy is pericles referring to? - pericles athenian statesman, 5th century b. c.e. a. representative democracy b. parliamentary democracy c. direct democracy d. presidential democracy