They have been trying to limit power and adjust for more standard, fair, rulings so everyone is on a more even playing field. Also, the V6's today are just as, if not more, powerful then the v10's. As technology gets better, things get smaller, lighter, faster, and more fuel efficient.
Fuel Economy plays a big part. With new technology and advancements in engine designs, they can make similar power while saving lots of fuel. This is why they allowed Audi to start racing with a Diesel engine in LeMan's P1 and P2 racing series.
And now Porsche is getting a hybrid racecar.
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.