The Texas Instruments educational website provides a table of math courses and recommended calculators. Algebra, geometry, trigonometry, calculus, statistics.
You can graph lines and other equations (parabolas, etc) in Algebra. Statistics involves different types of graphs (bar, histogram, normal curve, etc). There are curves that can be graphed in calculus as well.In fact, trigonometry and geometry as well.
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.