If you want him to recover and live a long life, you need to get the ten gallon with heater and divider , and a bottle of prime and an eye dropper to add 2 drops to every gallon of water in the tank, and to ever gallon of new water you add to the tank. You will need a gravel vacuum as well to do 25% water changes each week. Christmas is coming up, Ask them for the stuff you need for the fish, make a list, explain why it is important for your fish to live in a tropical heated filtered tank.
I also recomend new life spectra betta pellets, proper nutrition from food is essential for healthy pets of all kinds.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.