The answer is:
b to convince readers that Britain has treated the colonists unfairly.
In the excerpt from the Declaration of Independence, the author mentions how Britain has has unjust methods. First, he acknowledges British "attempts by their legislature," usurpation, and the fact that the English government has has not listened to the colonies' claim for justice, even though Americans are their descendants.
If the story would have been from Laurie's perspective, A. The audience would have been afraid of Laurie's mother because Laurie is so afraid of her, and C. The audience might have known that Laurie was misbehaving at school and making up the "Charles" character to mislead his mother.
It is clear that Laurie is afraid of his mother, he wouldn't have invented Charles to cover up for his misbehaving otherwise. This fear would have appear in the story, as well as the truth of his behaviour.
You should have a serious conversation to him/her. You have to tell them it's not right and it could affect either her/him or people who read her/his blog