Respuesta :
First question: The backstory gives the audience information about the events that occurred before the play began.
Second question: The main purpose of a backstory is to explain what has happened before the story.
Answer:
The first question is The backstory gives the audience information about the events that occurred before the play began.
The second question is The main purpose of a backstory is to explain what has happened before the story.
Hope this helps:)