Locate an article/book/scholarly website/scholarly digital resource related to politeness norms then prepare a coursework.

Norms/Rules and Politeness on Black Twitter

Locate an article/book/scholarly website/scholarly digital resource related to politeness norms/indirect request-questions/conversational implicature/pragmatics/oral performatives/speech act theory/non-verbal communication.

OR

Choose an article outside of linguistics–there are many articles about politeness in the field of Social Psychology that might interest you.

Then prepare a coursework.