It depends what the problem is In the first instance you should contact the seller and try to resolve things with them If you are not able to come to an agreement with them you can ask eBay to look at the issue for them be going to the Resolution Centre and raising a case against the seller.
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.