Kinda hard to tell from the front. But, the spotted one is likely a "Paint", which is actually a breed - a Quater Horse with color. Pinto is simply a color, whereas Paint is a breed.
It will depend on the conformation, and your pictures don't show the sides of the horses. It is noce that you help at the horse sanctuary, and this must be fun for you.
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.