You did not provide the excerpt but in the end Jekyll was not able to permanently resist. It was implied that he was actually Hyde deep inside and that Hyde is the one who will overtake and he won't be able to come out again. In the end he dies as Hyde and people find out what happened out of letters that he sent while he was sane.
Perseus was the king for on the day because A)he wants to return to Andromeda's homeland.
The boy on the bus gave a thumbs up to the kid swimming because of his t-shirt.
Okay, so what I can do for you right now is:
I can explain it to you, but not give you the answer.
This needs to be done by YOU, I'm pretty sure you have learned about the Holocaust so you need to explore YOUR thoughts and feelings about those times.
Note: it is said that you can go check out Anne Franks Dairy to see some examples. And if you reread the question you can understand what needs to be done.
Hope I helped.
Have a good day! =)