Because they LOVE each other like most couples who get married......
The sex is probably really good too if the two parties still grew up in the past where everyone was hung up on such issues and all the "miscegenation taboos" are still floating around in their heads. For those of us that grew up long after that era in fully integrated worlds, interracial relationships are not viewed any differently at all from same race relationships. Hell, so many people are biracial or multiracial now anyway that soon this whole issue will be as archaic as "what is a good butter churn model?
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.