A master's in business administration (MBA) is a graduate level degree. It does not have multiple levels (at least in the United States). In other words, lowest to highest.
That being said, the important issue is the schools accreditation. Make sure the school is recognized by the appropriate agencies.
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.