What does this mean. i need to now immediately

What is the author's purpose in this passagea. to remind people to avoid individuals who occasionally display bad manners.b. to encourage people to embrace the feeling of superiority over others.c. to persuade people to demonstrate good manners at all times.d. to convince people to freely express their emotions.

Kto ponosi odpowiedzialność za smierć janka muzykanta?

Como se chama o presidente de angola?