In his book The Prince, Niccolò Machiavelli advises that a wise ruler is one who... A) keeps taxes and food prices low B) does anything that is necessary to stay in power C) allows advisors to speak their minds D) encourages education and the arts

C ?

If it's the same book he would have wanted to return to politics and expand knowledge

explanation:

a trial judge has broad powers in his courtroom. the judge's decision is usually final for the duration of the trial, and the party's one special type of witness is an expert witness.