No it doesn't, your html is still valid and readable for every browser. (However, it will put IE into quirks mode for every version below IE9 — see Rob’s comment .).
The construct is not a doctype issue but an XML declaration, which may be used at the start of any XML document, whether it has a document type declaration or not and whether it happens to be XHTML or something else. According to the XHTML 1.0 specification, “An XML declaration is not required in all XML documents; however XHTML document authors are strongly encouraged to use XML declarations in all their documents. Such a declaration is required when the character encoding of the document is other than the default UTF-8 or UTF-16 and no encoding was determined by a higher-level protocol.
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.