Why Christian women don't wear hijab (head cover) although Mary used to wear it?

Eh, if it's not concerning you in any way, then it's the literal and unerrant word of God, but if it's something you don't like, like the ban on women talking in church or the God-mandated six-day work week, then it's all metaphorical and more a guideline than actual rule, and anyway everyone are sinners who fall short of the glory of God, so it's totally okay as long as you keep repenting.

It only speaks of women covering their heads while praying. Most Christian denominations understand that this was not a command from God, but from Paul, who was speaking from a specific time and culture that no longer applies in this age when we realize the women are the equals of men, which they were not considered to be in Paul's day.

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.