There are two resources on HubPages that you can always consult to learn about things like "overly promotional. " These are the FAQs and the Learning Center. FAQ: hubpages.com/faq/#overly_promotionalLear... Center: hubpages.com/learningcenter/Moderation-Help.
Go for it! Just don't add more than 2 links to the studio. Rock on with yo' bad self!
Wooo Hooo...Seriously...that's how I understand overly promotional. If you aren't making money from it and you add 2 or less links to it...then you can call it the Taj Ma-frikkin-hal of HubPages...
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.