He is experiencing an external conflict. The definition of an external conflict is to feel struggle against an outside force. In this peer pressure is an external conflict.
You would have to explain this more so someone can answer. what family?
Being a twin is a different bond then just being siblings. twins are a lot alike
They used a fishing pole to put a note through the window to ensure that Boo will read it. However, Atticus insists on leaving Boo alone.