After successfull CES-studies you have various job facilities. Many of today mechanical engineering science students work in different fields in which they have not been educated during studies. If you have enough enthusiasm and acquired tendency to learn you will not have any problems to succeed in classic mechanical engineering sciences which is not main education aim by CES.
In total, the lines between education and actual job are today not so strictly in engineering jobs than before. More.
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.