Six
6 traits of civilization
A civilization is a complex culture in which large numbers of human beings share a number of common elements. Historians have identified the basic characteristics of civilizations. Six of the most important characteristics are: cities, government, religion, social structure, writing and art.
Answer:
It provided irrigation for the region and important flood control for run off
Explanation:
it provided provide power generation, irrigation, flood control, stream flow regulation for fish migration, navigation, and recreation
so the only answer option would be the third :)
ANSWER:it is cause for twenty-five percent of the national budget
Atomic bombings of Hiroshima and Nagasaki