Final answer:
Cities in South Asia around 500 BCE served as administrative and ritual centers, playing a significant role in the region's culture and politics. Urban life was sustained, and city planning was present, though not highly organized.
Step-by-step explanation:
As cities grew around 500 BCE in South Asia, they served primarily as administrative and ritual centers. These cities were important for political and religious activities, with rulers residing in them and religious ceremonies taking place. The cities were not abandoned but rather played a crucial role in the region's cultural and political landscape. Although city planning did exist, it was not as organized or comprehensive as in some other ancient civilizations.
Learn more about Role and growth of cities in South Asia around 500 BCE