The art and skill of writing or speaking in a way that is persuasive and influential is called a. opinion b. rhetoric c. point of view (economics)

B). Rhetoric.

Explanation:

As per the question, 'rhetoric' is defined as the art or ability to use language(in written or spoken terms) skillfully in a manner that carries the potential to persuade and influence the people. The authors employ this technique of using language that assists in appealing to the logic, emotions, or senses of the audience and constructively serve their purpose of persuading, informing, or motivating them and eliciting the desired response from the audience. Therefore, 'rhetoric' is the correct answer.