Which of these best explains the purpose of the fairness doctrine?

it guaranteed anyone the right to create a frequency to transmit tv programming.
it made it illegal for licensed tv broadcasting companies to speak out against the government.
it required that licensed tv networks present controversial issues in balanced way.
it controlled how tv broadcasters presented alternative viewpoints.

Among the choices listed, the purpose of the Fairness Doctrine is best explained by the statement: It required that licensed TV networks present controversial issues in balanced way. The Fairness Doctrine primarily aims to ensure that viewers are exposed to different viewpoints regarding controversial issues that concern the public. In this way, their knowledge about the issue would not be one-sided.