The answer for this question would be C i’m guessing !!!!!
War is the key factor because this is the main reason why people in ancient times built on hills. A high hill with steep slopes and a defendable water source near a valley where you could grow crops made it difficult for enemy armies to conquer your city.
I think I remember that there was free land there, you could get the land if you lived and farmed on it for a certain amount of years.
One of them i think is french
