What other development does the settlement need to be considered a civilizationus?

In addition to a stable agricultural base, a settlement needs several key developments to be considered a civilization. These include the establishment of a governing structure or political system, social stratification with distinct roles and classes, and the development of a written language for record-keeping and communication. Additionally, advancements in technology, trade networks, and cultural practices such as art and religion contribute to the complexity and identity of a civilization.