Border is used for rounded corners. But in your case if you simply put TextBlock inside of Border, you wouldn't get the desired effect. Here Corners are made transparent using a border.
Grid is used so that Border stretches exactly to the size of TextBlock.
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.