Am I allowed to promote products in my hubs?

As far as I know, hub does not allow giving product's url within comment.

My advice would be to create hidden links inside your hub that redirect the reader to your blog or website. Only put a few links in your hub. Make sure your hub has relevant content and you should be fine.

On your site or blog you can promote all you want. But let the reader decide if they are interested in your stuff that you are trying to sell.

I don't think that affiliate products form click bank and commsion junction are not able to promote in Hubpages. And don't try to do it .

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.