gallia est omnis divisa in partes tres
This is one of the most famous passages in the Latin language. Caesar could have opened his work in countless ways -- so far as we know, the commentarii genre does not have strongly typed opening . But he chooses to open his war story with a bird's-eye view of the territory conquered ("Gaul is a whole divided into three parts"), like a map-maker (or a gamer? or a god?). Why?
Respond here and we'll discuss in class.