What did the ancient Indus Valley, Huang, and Nile civilizations have in common?

They built pyramids to reach the gods.
They elected leaders using potsherds.
They developed and used gunpowder.
They began in fertile river valleys.

Respuesta :

The earliest civilations almost exclusively began around rivers because of the fertile soil and abundant water. So your answer should be D. #TeamAlvaxic

D. They began in fertile river valleys. Is the answer