Question

why did certain tribes move from one region to other

Answer 1

1) the movement of Nomadic allow the pasture to regrow and recover
2)it help to protect the ecology of the environment

Answer 2

Answer:

he guys here is the answer

Explanation:

Nomads are people who do not live in one place but move from one area to another to earn their living. Their main occupation is cattle rearing for which they need availability of water and pastures for grazing their animals. ... When the water and pasture get depleted they move again and keep repeating the cycle.