Final answer:
Early civilizations required rivers to thrive, with examples including the Nile in Egypt and the Tigris and Euphrates in Mesopotamia, as they provided water for irrigation, drinking, and fertile soil for agriculture. option b is the correct answer.
Step-by-step explanation:
The type of geographical feature that early civilizations required to thrive and do well was primarily rivers. Early civilizations such as those in Mesopotamia, Egypt, and the Indus Valley depended heavily on rivers for their water supply, which was crucial for irrigation, drinking, and transportation. For example, civilizations like those that developed along the banks of the Nile River in Egypt or the Tigris and Euphrates in Mesopotamia greatly benefited from the fertile soil and water supply that rivers provided, leading to agricultural surplus and the establishment of stable, urbanized societies.