Which phrase completes the list of defining characteristics of the greco- roman era?

The defining characteristics of the Greco-Roman era include a focus on classical art and architecture, the development of democratic and republican political systems, and significant advancements in philosophy and science. Additionally, the era is marked by cultural syncretism, where Greek and Roman traditions blended to create a rich tapestry of thought and expression. This period also emphasized the importance of Humanism, celebrating human potential and achievements.