So there would be someone to blame for her mother's leaving
The boy influences the crystal merchant by following his or her dreams the boy is even teaching him andalusia and sheperding, notice how he also tells the merchant take a chance and seize the opportunity.
Answer:
You can add how mirrors are made, when they were first invented and by who invented them.
It does not adress the content of what is said but the way it's presented. Therefore also applies to rhetoric since whenever you say anything to promote anything you use rhetoric so that the listener would become interested in whatever it is you are trying to promote