SM, TS, or Pledis Dance background works with most groups in those.
Go for the BIG 3 - SM, YG and JYP People have high expectation for these company's products. May not be entirely true but guessing from my observation, the expectation can be categorized into these: Fairytale Princess and Prince Charming - SM Dashing and Exclusive - YG Dancing Machine and Pure - JYP As for my vote, I'll suggest YG.
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.