I have done a little research, and everything I've read says that the whole brain is still growing and maturing, but idk I could b wrong.
And pleas'd with our soft peace, stayed here his flying race. Where with most ease and warmth he might employ his art: Deceiv'd the quaking boy, who thought from so pure light. But she most fair, most cold, made him thence take his flight
Answer:
The person doing the interview would be a secondary source, the historyian would be a primery source.
Explanation: