Amazon will pass variables in the url query string when opening your external web page. For this use case, you want to look at assignmentId . If assignmentId is ASSIGNMENT_ID_NOT_AVAILABLE the worker is previewing the HIT.
(More info in the mturk docs .).
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.