"<span>It makes the reader aware of the key actors in the unfolding narration" would be the best answer. It's important to establish key characters early on so the reader is confused later. </span>
The question of how to practice morality and doing the right things falls under the category of ethics.
Trees produce the oxygen that humans need to breathe
Here’s a letter to my class: Hello everybody, today I wanted to tell you something important: I.hate.every.single.one.of.YOU I hope you die in a hole and the hole lights on fire and your body’s turn to ashes while your screams are nowhere to be heard. I put all of you on my list to kill you,and now my moment is in position get ready to live a burning hell! Sencerly, the quiet kid (aka my name)! P.S ty Mrs.Seirna for giving me free McDonald’s