What are the early centers of civilization whose practices and ideas spread were known as?

The early centers of civilization whose practices and ideas spread are known as "cradles of civilization." Prominent examples include Mesopotamia, Egypt, the Indus Valley, and ancient China. These regions developed advanced agricultural techniques, writing systems, and complex societies, which laid the foundation for future cultures and civilizations. Their innovations and cultural practices influenced surrounding areas and contributed to the development of human society as a whole.