Question

one of the reasons for the success of early civilizations such as those in egypt and mesopotamia was because
a they formed democratically elected governments.
b they were able to find ways to make stone tools.
c they were geographically protected from outside invaders.
d they used rivers and bodies of water for food and for trade.

Explanation:

• Option A: Early civilizations like Egypt and Mesopotamia had monarchies or other non - democratic systems, so this is incorrect.
• Option B: Making stone tools was more characteristic of earlier pre - civilization or early pre - historic groups, not the key to the success of these early civilizations.
• Option C: While geography played a role, the main factor for their success was related to access to water for agriculture and food, not just protection from invaders.
• Option D: The Nile in Egypt and the Tigris - Euphrates in Mesopotamia provided water for irrigation, which led to surplus food production, supporting population growth and the development of civilization.

Answer:

D. they used rivers and bodies of water for food and for water.