10 questions to ask when you create a fictional culture. The way I build worlds is by collecting cool stuff from the history, myth and people around me. I blend these details with my own imagination, and create my own cultures.
In among the free, Margret Peterson caddis did this. (I'm pretty sure she did it on propose) she added little detail on why the government fell, and I was super mad that she didn't explain it and I went all theory crazy.