Answer:
I think whom. Since it sounds better then who in that sentence.
<span>The pilot initially wanted to save the girl and disobey the law since he left the need to allow her to see her brother one more time. However , the mission he was carrying out would be doomed and the people who needed the medical supplies would die and that would be a great tragedy.</span>
Answer:
I think it's formal I always write them that way, so I would say formal.
