Yes you can, check out the CredentialImportController class in this sample code developer.apple.com/iphone/library/sampl... you will store the information in the application keychain which is not accessible by any other application unless you share that keychain using your app id.
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.