You can rotate around the y-axis by changing θ, and rotate around the z-axis by changing φ. Rotating around the x-axis, though, is a bit tougher.
Hopefully this will be helpful to someone in the future, but there is a small mistake in the above answer. It should be.
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.