Negative attitudes by many people toward other ethnicities, in many places, is still prevalent. Nor is it likely that it will ever be eradicated.It is less acceptable, in several societies, to be openly racist nowadays. It is a prerequisite to be so in others.
The intolerance people have for others is, in part, a genetic survival trait. We are still savages deep down. Such instincts are no longer as necessary as they were and can be fought by individuals intelligent enough to realise this.
Unfortunately not all of us have the wit to appreciate it. Prejudice, of any kind, displays that creatures ignorance and fear. Hopefully mankind will, one day, battle the real hazards to survival.
Of which there are many and obvious to anyone able to look beyond petty and superficial differences.
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.