The popular rule is that when the writer is identifying a particular something-or-other, like an address, the number is used If the writer is merely writing about a subject, grass for example, then he'll say that the property needs ten inches of rain a year. The main subject is grass, planting, growth If the writer is writing about particular dates and numbers of people, then in keeping with consistency, it's best to use numbers. "During the 1800's, 50,000 people lived a comfortable life in cities that had about 2,000 streets.
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.