Which of the following would be aided the most by entering into presidential primaries?

Which of the following would be aided the most by entering into presidential primaries?
 
  A) an incumbent president
  B) an heir-apparent to an incumbent president
  C) a relatively unknown political candidate
  D) the vice president of an incumbent president who is constitutionally forbidden to seek reelection
  E) a military hero

Question -2-

Who of the following was aided greatly by entering into presidential primaries?
 
  A) Walter Mondale
  B) Jimmy Carter
  C) Hubert Humphrey
  D) Dwight Eisenhower
  E) Ross Perot

Question -3-

If elections are decided by ticket-splitters, as DeVries and Tarrance contend, campaigns should be used to
 
  A) communicate the candidate's views on issues.
  B) project the candidate's personality.
  C) personally attack the opposing candidate.
  D) preserve the candidate's party base.
  E) confuse the voters about the real key issues.

Question -4-

A Republican or Democrat who occasionally votes for a candidate of the other party is defined by DeVries and Tarrance as
 
  A) an independent voter.
  B) a ticket-splitter.
  C) an undecided voter.
  D) a pivotal voter.
  E) a paradox.