! If the linking process fails, this probably means you didn't specify some library, or the required libraries aren't present on your system. Error messages indicating this are a long list of undefined symbols most of which have a name with an identical prefix, such as Xm.
The linker needs to know where the libraries are, and additionally you need to tell it which libraries to include in the link process. More.
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.