There were approx. 6,000 slaves in Pennsylvania in the mid-18th Century. This number fell to 3,737 by 1790.
It is thought that the last slave in the state died in 1828. Source: Phila. More.
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.