Final answer:
The Ziggurat of Ur-Nanmu was built during the period 2100-1800 BCE. It was dedicated to the moon god Nanna and was one of the largest and best-preserved ziggurats in ancient Mesopotamia.
Step-by-step explanation:
The Ziggurat of Ur-Nanmu was built during the period 2100-1800 BCE. The ziggurat was dedicated to the moon god Nanna and was one of the largest and best-preserved ziggurats in ancient Mesopotamia. It stood approximately 100 feet tall and had multiple tiers of terraces.