The answer is d. to teach the audience how to do something.
The purpose of a persuasive speech is to <em>persuade</em>, or convince. A, B, and C all come under this category, but D does not. Therefore, it is the answer.
It’s in Spanish I don’t understand it
Because the public discovered the spread of corruption among the party leaders they were forced to resign
To cause a source to be biased means that it is influenced by your opinion or another factor that is not factual. Bias can take away from the credibility because it is not completely true, as a source should be.
The correct answer is: such words are not part of the essential exposition of ideas