It depends on where you're competing. At most places you're required to wear (usually) beige or cream jodphurs, a jacket and you're permitted to carry a whip. Again, it depends whether or not you're allowed knee or ankle boots and spurs and the type of bridle change with the club.
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.