Undefined symbols during compile/load in Xcode?

The missing symbols are because when you use a framework that isn't one of the ones automatically added to the project, you need to tell the compiler add them to it's list of places to look.

Murat's comment fixed this issue. But in Xcode doesn't automatically add . M files to be compiled when you copy them and don't modify them.

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.