We cannot diagnose illness over the internet. Some common causes are inhaling dust or smoke. Poor air quality in general.
Colds and 'flu symptoms etc. There may be more serious causes and you should visit your doctor is the symptoms persist.
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.