Answer:
Two-field system
Explanation:
Two-field this is more than 1 and there are more crops being grown
Sumerians built ziggurats because they believed that they would be more closely connected to the heavens. They believed that ziggurats connected the earth and the heavens.
People have certain right including life liberty and persist of happiness
All men are created equal
Self defense for civilian
The biggest issue is by technology.
