Final answer:
In ancient Mesopotamia, the advancement of written law, specifically in the Code of Hammurabi, focused on Slave's rights.
Explanation:
The area in ancient Mesopotamia that was advanced with the development of written law, as in the Code of Hammurabi, was related to Slave's rights.
Hammurabi's law code, dating back to about 1780 BCE, provided detailed rights and obligations for different social classes: aristocratic citizens, commoners, and slaves. The code treated crimes differently based on social status, showing advanced legal distinctions for that time.
Within the Code of Hammurabi, legal protections were extended, including provisions for fairness, redress for damages, and even responsibilities for city officials, showcasing advancements in written law during that era.
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