Undefined symbols for architecture armv7s?

Linker errors usually mean that you are trying to access code from a library or similar that is not linked against. In your case it looks like an SS lib of some kind is accessed, but not linked against. Make sure that any potential libraries are added to the project by selecting the project in File Navigator, and then selecting.

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.