A likely indirect result of their tumultuous relationship is increased stress for their children.
If this couple fights a lot, it is going to affect their children as well because they will be living in a household where they are witnessing conflicts and the lack of love almost each day. They will be anxious all the time, which will then negatively affect their mental state, and thus their lives in general.
I would say B because the article tells you what motion sickness is and how people cure it in a since
A retired knight who raises Arthur as his foster son.
Answer:
He is setting the stage for a flashback into fred Collins children