Answer:
For fear of retaliation against them.
Explanation:
Douglas wouldn't want fot the boys who taught him how to read to get in trouble on his behalf. He was afraid that they would be repremended or punished for having taught him how to read.
Answer: No. It isn't an example of ethos.
Explanation:
Ethos refers to an argument that's based on the credibility of the person that's making the argument.
Ethos simply means establishing the authority to speak on a particular object subject. It's the persuasion and the argument whereby the knowledge, good moral character and the credibility of the speaker is shown.
In this case, the example given isn't an example of ethos because dentists in this case is a broad term and therefore does not give credibility from a particular dentist or probably a dental research.
They should wear uniforms at school so everyone is equal and so their is no judging because everyone has on the same out fit so their is no judgment.