There's a lot of artificial help, in the sense that souvenirs, confidants, talisman, etc. supply. Not to mention that those people could probably read who were

There's a lot of artificial help, in the sense that souvenirs, confidants, talisman, etc. supply. Not to mention that those people could probably read who were exposed to a multitude of knowledge, more than the average field workers, anyway. What I find really curious is the question how many people could actually speak a powerful language at all, instead of mumbling, calling names, pointing and gesturing.