For PLATO:
Maya: Created hieroglyphic writing system
Developed the accurate calendar systems
Constructed Chichen Itza
Aztec: Built Tenochtitlan
Sustained 20mil population
Grew floating gardens
Answer:
Sargon the Great
He then went on to conquer all of the Sumerian city-states and united northern and southern Mesopotamia under a single ruler.
Explanation:
