A huge, positive impact, then and now. If you have not read his writings, ot those about them, both positive and negative, you will benefit if you read them. Enjoy.
I understand he is still used in philosophy classes all over the world as a cautionary 'how-not-to' tale on arguing logically. Pretty much because of the 5 proofs, in case you're wondering.... @ edit - okay, if your life can be used as an example in philosophy classes, (even if it's a bad example) that's still an achievement. So 'positive'.
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.