decide to whom you will address it. The addressee should be someone whose opinion is important to you. (You might choose to write to a member of congress, your school principal, or a teacher.) PICK: TEACHEr To whom are you writing your letter? What prompted your choice of topic and audience? Now write your letter explaining your stance on the issue you chose. Your writing should reflect a strong opinion on the topic. Your arguments in favor of your stance should be supported by evidence.