Having a ziggurat signified that a Sumerian city was
Answers
Large and important.
Ziggurat was the most prestigious edifice in a Sumerian city. Each ziggurat was part of a temple complex which combined by other structures. The chief reason for building ziggurats was that they have its roots in spiritual beliefs. They built them to make the temples adjacent to the bliss and hence nearer to the Gods. This is bound by the notion that Gods appeared on earth at the loftiest point in the land. A ziggurat was not just a temple but also the heart of the city life and operated as a city hall.
Having a Ziggurat signified that a Sumerian city was large and important.
Thick and tall walls were the hallmark of an ancient Sumerian city.
It was one of the most rapidly growing cities in ancient history.
The king was solely responsible for maintaing the Ziggurat and the thick walls offering security to Sumer.