Knowing where to find animations really depends on what kind of animations you want. There are so many out there, from simple to complex animations. You can find more information here: bestanimations.com.
Defined animations, 1. Keyframe declaration block, 4. Keyframe selector, 4.
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.