They could not learn how to read or write it was seen as a privilege only a powerful white man should know.
I’ve been researching this for you and Syria would be the only thing that makes sense here.
I say this because they definitely had aqueducts and bridges. They have pictures of all of these including forums.
*I would go with A.*
(i’m sorry i couldn’t be precise, its odd that i found all of these true in a sense)