A variable ..... ........
I only know of two and their names were, Jose Antonio Navarro and Jose Francisco Ruiz.
I hope that helped you at least a little, I'm sorry I can't tell you the third
Answer:
They had a surplus of food, they divided labor and built cities.
After the development of the irrigation systems, they could grow more wheat and that meant more food for the growth of the population.
They divided labor between themselves. Who will harvest crops, who will tend to the irrigation systems, who will tend to fields. They had a lot of other workers such as carpenters or soldiers and that means that they knew how to divide labor between the population.
They started to build cities so they could work together, trade, store food, and the cities grew as more and more people came to live there.
The correct answer is A individuals
Pictographs is a kind of writing that used pictures of objects
scribe describes a kind of hieroglyphic script using symbols rather than pictures
hieratic is a person who kept official records for a kind or emperor