Which of the Following Is True of Public Opinion and Foreign

Which of the following is True of public opinion and foreign policy?

A) Elections are the perfect measure of public opinion on foreign policy.
B) Public opinion polls do not ask the same questions, thus allowing leaders to get reliable data on public opinion.
C) Public opinion polls have only been conducted in the United States and European Union.
D) U.S. leaders always incorporate public attitudes into policy decisions.
E) Even leaders of authoritarian regimes pay attention to the dominant moods of their mass publics.