Non of those are really styles, Between those they cover over 300 to 600 styles.. Styles are more like seitei ryu, kage ryu, chujo ryu, tomari ryu, omora ryu and so forth. Your list is taught now a days is more just one aspect of sword fighting and not complete, you need all three to aspects and not just one.
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.