By default unidirectional one-to-many relationship is mapped via join table. If you don't have any special requirements about using join talbe you can use foreign key in Student instead, it can be configured as follows.
Sometimes you can clear the references to the objects being deleted in a deleted all using an update all query.
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.