Answer:
e. Only in river valleys .
Explanation:
Why? Agriculture needs the proximity of water and the development of methods of irrigation in order to prosper. Agricultural societies were the basis of the first civilizations. In the Middle East, in China, in Egypt, all the first great civilizations rose and flowered in valleys with rivers: the Eufrates and the Tigris, the Yellow River and the Yangtze, and the Nile.
Reformers in the U.S. adopted the idea that students should have access to the same content at similar grade levels.
A christian idea, to liberate from social, economic, and political oppression.
1. Honesty
2. Intelligence
3. Self confidence
4. Trust
5. Fairness