http://whocallsme.com Enter their number here and see if anyone else has reported this number and see what the story was that they told them. If you search the number on this site, you might get the info you are looking for.
Of course its a scam, staying on the line with them was a waste of time. Never ever give an unsolicited phone caller any personal information.
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.