What geographic features to explain the movement of people in the fertile crescent and south asia? how did this affect languages, arts, technology and spread of relogions in the region

Fertile Crescent. "cradle of civilization", the Fertile Crescent's place among the Tigris, Euphrates, and Mike rivers once lead to an abundance of riches. Irrigation and agriculture developed here because of the fertile soil found near these rivers. The movement was called Mesopotamia Movement.The region was the centre of a culture whose influence extended throughout the Middle East and as far as the Indus valley, Egypt, and the Mediterranean.

polisit can also mean a body of citizens. in modern historiography, polis is normally used to indicate the ancient greek city-states, like classical athens and its contemporaries, and thus is often translated as "city-state". the body of citizens came to be the most important meaning of the term polis in ancient greece.