He discovered a process called pasteurization It showed that heat can kill germs If we heat milk for half an hour at a certain temperature and then cool it the germs in it are killed. It was an important invention. It is safe to drink pasteurized milk as it is free from germs,so it cannot cause any disease.
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.