You aren't missing anything. Fill out the 1040X, attach Form 5405 and your HUD statement, mail it in, and then wait. Be forewarned it is taking the IRS a long time to process claims for this credit.
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.