The Sumerians dedicated the temple to the moon god Nanna, who was patron god of the city of Ur. Nanna had her own room at the top called the shrine. Nanna was believed to live the shrine. The sumerians believed that there gods had needs just like normal people.The sumerians gave Nanna a bedchamber in the shrine, that's why they gave Nanna a room for himself. The sumerians also made a staircase on the northwestern side so they could prepare food for Nanna. Furthermore people across the land would do many things to praise the gods. The kings and priests would stand outside the temple to praise the gods. They would also have feasts to after a human sacrifice to please the gods. Statues were built to show them praising the gods. Often with there eyes gazing upward. Those are the purposes the ziggurat was used for.
Overall the ziggurat has been an incredibly important religious center of Sumeria for thousands of years. This temple has been around for thousands of years and will continue to stand for many more. With the mud bricks that shape the temple to look like a mountain has stood through many rebuilds and still will. With the religious purposes off the ziggurat years ago, still stand in the temple today, appreciated by all. So in conclusion, I believe that the ziggurat was an important structure that played an crucial part in sumerian