Footnotes are used to give credit to the source of your material. Footnotes are called such because they are found at "the foot", or bottom, of each page. You place a number next to the quote or reference then list the source at the bottom of the page.
You can find more information here: aresearchguide.com/7footnot.html.
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.