The most direct example of using a medium to affect an audience is A publication sues competitors who attempt to publish a piece on the same topic as it.
That is Option C.
Many areas of human existence are influenced by the media, including voting, individual perspectives and beliefs, and skewing a person's understanding of a topic owing to misleading information.
For more information about influencing the audience refer to the link:
https://brainly.com/question/1557395
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