What is a pro and a con of supplying content warnings in learning material?

In what critical way is the protagonist dynamic in "there's a man in the habit of hitting me on the head with an umbrella"?

Subject: save the whales! dear professor crest, i know you are really busy and everything, but i was hoping that you could spend more time thinking about how to save the whales. it’s up to us to speak up on their behalf. it’s really wrong that some amusement parks use these poor, defenseless animals for recreational purposes. this must be stopped, and you’re the person to do it! ttyl, jules which revisions would make this e-mail more formal? check all that apply. a. removing the contractions b. removing the exclamation points c. removing the salutation d. removing the slang and casual speech e. removing the information about amusement parks

How do the authors develop their claim about the effectiveness of restorative justice through examples involving apartheid and the rwandan genocide? cite evidence from the text in your response.