How did religion influence the development of early civilizations?

Religion played a central role in shaping early civilizations by providing social cohesion, moral frameworks, and political authority. In ancient Egypt, Mesopotamia, and the Indus Valley, rulers often derived their legitimacy from divine authority, presenting themselves as gods or intermediaries between humans and the divine. This justified centralized power and encouraged large-scale cooperation among populations. Religious institutions also drove economic and architectural development. Temples served as administrative centers that managed grain storage, trade, and labor. Massive construction projects like the Egyptian pyramids or Mesopotamian ziggurats mobilized thousands of workers and required sophisticated organization. Religious calendars regulated agricultural cycles, while shared beliefs unified diverse groups under common cultural identities, enabling larger and more complex societies to function.