Their writing became regional, focusing on rural aspects of American life.
Unreliable narrator refer to the narrator whose point of view has been seriously compromised
Usually, if in the beginning of the story the narrator admit that he's mentally ill or he's one of the character of the story could be used as a clue
hope this helps
Did you read Harry Potter when you were on holiday?
In order to answer the question, I will need to research cloning. More specifically what does it really mean to clone something, is it as simple as taking a blood sample? I would want to research the scientific benefits of having a clone. Also, are there any legal issues. If my clone commits a crime am I liable for it? The sources that would contain much of my information would be Scientific journals. I would be able to research the question and address the answer within a reasonable timeframe.