You could move the transitioning to the next slide in a separate function and call it with setTimeout . Then, you just store the slide number in a variable and increment it after each function call.
Set the animations to both run at the "same" time.
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.