One of the great trick questions in linguistics. What we call Chinese "dialects" are actually separate languages. Two of the major languages are Mandarin, the official spoken language of China, and Cantonese, centered in the South, notably in Hong Kong.
Some Chinese-Americans have learned one of the non-official languages (or "dialect") from their family and cannot speak or understand Mandarin at all. On the flip side, some "languages", such as Swedish, Danish, and Norwegian are actually dialects of each other, understandable by native speakers. 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.