<Tibetanfox> Like the main thing that causes different eras is everyone changing their mind about the Emperor.
<Tibetanfox> If EMPEROR.BOOLEAN = TRUE THEN "FUCK THE EMPEROR!"
<Tibetanfox> if EMPEROR.BOOLEAN = FALSE THEN "WE NEED TO RESTOR THE EMPEROR!"
<Tibetanfox> That's Japan's history in two lines of code.