He can fail in 2^6 - 1 ways He can fail one out of six subjects in 6C1 ways, 2 out of 6 subjects in 6C2 ways, and so on and can fail 6 out of 6 subjects in 6C6 ways. Total ways of failing is 6C1+6C2+6C3+6C4+6C5+6C6 ways, which is equal to 2^6 - 1 ways, or 63 ways.
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.