Cron jobs usually are stored in a per-user file under /var/spool/cron.
In Ubuntu and many other distros, you can just put a file into the /etc/cron. D directory containing a single line with a valid crontab entry. No need to add a line to an existing file.
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.