The length of time hunter-gatherers stayed in one region depended on climate conditions other nomadic people available food amount of stored food soil fertility

I'd say available food, or the third option. The hunter-gatherers were people who would travel solely on the basis for the food, so when they would run out of food in a specific area they would pack up and move to the next. I hope this helps :)

The Correct Answer is A, B and E.

Explanation:

A civilization can be referred to as ancient culture. With main features of early civilizations included the building of the cities, a system of social classes, a complex religion, a well-organized government, specialized jobs and a method of keeping the record about the city.Religion is one of the key features of early civilization. there was four leading religion linked to civilizations such as Christianity, Hinduism, Confucianism and Islam.