I managed to solve this problem using the advice of Java Ka Baby. The issue was actually not in my Model classes; the problem lay within the Controller . Specifically, I was saving the entities in the wrong order.
Once I realized that using the ElementCollection annotation on the Map.
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.