A CROSS APPLY is similar to a CROSS JOIN in that it is a cartesian product join showing all combinations of all rows from both sides.
Cross apply is a full join and doesn't need the ON statement. It multiplies the left hand side table by the Rhs table.
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.