If you correctly bind all your variables you can dramatically reduce the risk of SQL injection. It is still possible to get an SQL injection if you create SQL dynamically for example.
Speaking of security, there is no difference between both methods, if you correctly bind or format your variables.
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.