Which of the following statements is true?
A) Citizens in a democracy have a duty to study the issues and vote on them.
B) Citizens in an oligarchy are not allowed to voice their opinions in a public way.
C) People living under a monarchy need to vote less often than those living in a democracy.
D) People living under a dictator tend to believe that the dictator is doing the best that can be done.

D) People living under a dictator tend to believe that the dictator is doing the best that can be done.

Explanation:

As part of the social contract under an undemocratic regime, the dictator is supposed to deliver progress and material well-being to the people in exchange for their renouncing to freedom and political rights. This is the false illusion of dictatorship, that a strong leader will solve all the problems even as his rule supresses freedoms.

increase in population

explanation:

an oligopoly is a term used to clarify the structure of a particular market, industry, or organization. a market is considered oligopolistic or amazingly focused when it is shared between a few companies.