A simple way to determine how effective their article are ask for samples and see how many of them are on page 1 of the serp's, page two, ect. You could probably get a few teens in your neighborhood to write articles that would get on page 10. A golden rule of business is that you get what you pay for.I.e.
Pay more get more!
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.