It would not be a violation of separation of church and state if the schools taught the subject as objectively as possible and did not promote any particular belief system. However, I suspect that a lot of religious people would object to the idea. The last thing that many folks want is for children to get a broader view of these matters.
No. Real history has religion woven through and through. Real current events has religion woven through and through.
A certain amount of religious literacy needs to be taught to the citizens of a country just so they will know what is going on in the world and more importantly why it is happening. It is ignorance and fear that causes most injustice and wars. I suggest you read the very good book "Religious Literacy: What Every American Needs to Know--And Doesn't" by Stephen Prothero With love in Christ.
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.