Why do we call it one civilization as opposed to multiple different civilizations? ((PLEASE HELP!!))

Which of the following scenarios best shows the relationship between personal and civic responsibility? tara stays home on friday night to babysit her sister instead of going to a movie with her friends. theo asks neighbors to sign a petition asking the city council to lower the speed limit in their neighborhood to make it safer for children. natalie watches a presidential debate with her parents in order to complete a homework assignment for school. nick’s scout troop adopts a section of highway in their community to keep free from litter.

What evidence is there in this document that the policy was a good idea?

During the 1960s, the government of modern egypt built the aswan high dam to store water for drinking and irrigation, control flooding, and generate hydroelectric power.