I like the name Sarah, Serra and Sara but for triplets no I think that it will confuse them, you and your families so I suggest maybe go with something similar to the name Sarah like Serena, Serafina and Sara but even that might get confusing so maybe try Sienna, Serena and Sarah.
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.