Freeze drying is when you freeze something for years and years and then you can simply revitalize it with a little hot water. Some uses of free drying is in space, for food as an example. Here is a florist's page on the method of freeze drying: "Freeze dried flowers go through a process in which water is removed as vapor directly from ice, without passing through the liquid state.
This process is called sublimation, and requires reduced pressure to occur. All other drying methods use evaporation – in other words, water is removed as vapor from liquid water with heated air. " Lots of good information there.
Heres also a site that sells equipment for free drying. freezedryco.com/ lonestarfreezedry.com.
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.