The senator decided to check the results of a(n) to obtain a sound indicator of how her constituency felt about the issue.

The correct answer to the question above is a public opinion poll. The senator decided to check the results of a public opinion poll to obtain a sound indicator of how his or her constituency felt about the issue.

Aparagraph would strengthen it the most

The main themes of the play are: fate and free will with the inevitability of oracular predictions is a theme that often occurs in greek tragedies the conflict between the individual and the state similar to that in sophocles’ “antigone” and   people’s willingness to ignore painful truths both oedipus and jocasta clutch at unlikely details in order to avoiding facing up to the inceasingly apparent truth and sight and blindness the irony that the blind seer tiresius can actually “see” more clearly than the supposedly clear-eyed oedipus, who is in reality blind to the truth about his origins and his inadvertent crimes.