They created the iron age. They take iron ore from the ground and make it into useful weapons. They weapons were harder, lighter and stronger than any of the other tools or weapons made out of bronze and copper.
First constitutional Monarchy
The Pankus probbaly assembely for noblemen . who were in charge of the king activities because they had the right to remove the king and install another one.
Their economy was mainly about grains and sheep raising. When they tried to control the trade they came into conflict with the Egyptians.