Are there existing XML vocabularies and applications?

As developers began to use XML for various applications, standard vocabularies, or XML applications, began to emerge. For example, XHTML is an XML version of HTML, and podcasting takes place using various flavors of an XML vocabulary called RSS. The Scalable Vector Graphics (SVG) language provides a way to define graphic images using XML in a way that browsers such as Firefox can render them.

Some examples of XML in action are discussed below. More.

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.