1. J. Edgar Hoover kept power by (a) keeping personal files on prominent politicians, (b) trying to keep the FBI in the public's eye, (c) courting presidents, (d) all of these.
2. A former State Department employee who was a Communist, and whose investigation helped the career of Richard Nixon, was (a) Whittaker Chambers, (b) Klaus Fuchs, (c) Alger Hiss, (d) Julius Rosenberg.