Bullying can cause a victim to have suicidal thoughts, and the victim will not feel safe
I'm not sure about the Great Britain and Us conflict but I do know that the Mexican American war was the war for the possession of Texas? That may be a contrast you may include. I hope this helps.
The correct answer is B, a story in which the characters and settings stand for abstract ideas or moral qualities. Allegory is simply put and extended metaphor. Wheres metaphors just represent one part of the stories, allegories are stories that are metaphors for something in its entirety.