You should include the link and not the class initialization.
Naming your mysqli_connect result variable $db instead of i.e. $connectionHandle is asking for troubles and as you can see, you just made it - as you passed $db object to mysqli_query() instead of connection handle. The correct code should be.
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.