What characteristics did early civilizations before 600 bce share?

Early civilizations before 600 BCE shared several key characteristics, including the development of complex social hierarchies, centralized political structures, and organized religions. They typically established urban centers that facilitated trade and cultural exchange, often accompanied by advancements in writing and record-keeping. Agriculture was a cornerstone of these societies, leading to surplus production that supported larger populations and the specialization of labor. Additionally, these civilizations often engaged in interactions with neighboring cultures, influencing one another through trade, warfare, and diplomacy.