How is mesopotamia Egypt and India the same?

Mesopotamia, Egypt, and India share similarities as early cradles of civilization, characterized by their development of complex societies, writing systems, and advanced agricultural practices. Each region was situated near major rivers—Mesopotamia by the Tigris and Euphrates, Egypt by the Nile, and India by the Indus—facilitating irrigation and trade. Additionally, all three civilizations contributed significantly to human knowledge, including mathematics, astronomy, and architecture, laying foundational influences for future cultures.