I don't understand your question. What role did they play in what exactly? I could be able to help you if I knew what you were referring to.
I think it gave people more rights and it also gave certain people with certain standards the opportunity to vote. The English Bill of Rights also led to the Women's Bill of Rights which women fought for (not sure if it was successful), since the EBoR only applied to men.
Usually, kids at this age are easily influenced by anything they see, either in their life, or on TV. So they will often try to imitate what happens on TV, whether consciously or unconsciously, that is not that important. Also, many studies have dealt with this question, and whether or not violence on TV actually causes violence of people in real life, but the results were always inconclusive.
Choose B: a book written by a historian who is an expert on medieval Europe.
I trust that book because the book was written by an EXPERT. Someone who is trustworthy and knows more about a student-produced website.