Based on the clue 'a change in frequency because of motion is named f...', what is the answer?

What is associated with: a chance at a bounty brings retired killer clint eastwood back into service in this 1992 film? Based on the clue 'a chance spectator one may be innocent', what is the answer? Based on the clue 'a chandler is someone who makes these illuminating...', what is the answer? Based on the clue 'a chandler may wax philosophic about making these ...', what is the answer? Based on the clue 'a change of job within a company thats not a promo...', what is the answer? What is associated with: a change of procedure in 1979 led to 3 of these being named bob david frederic? Based on the clue 'a chapeau for a mouselike rodent', what is the answer? What is associated with: a chapter of this 1532 book discusses the machiavellian career of cesare borgia?