If you sell an item on an online shop and you are able to compliment your listings with YouTube videos, then it will be useful. Also, you can link to your sales page on your YouTube. This might help bring video viewers to visit your sales page.
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.