My point of view is if you were living waaayyyyy back then
positive:
- fresh water
- food
- fertile soil
- trading
- easier travel
- can connect cities
negative:
- flooding
- vulnerable to invasions
- water could dry up
- seasonal changes
Answer:
The land must produce enough food to feed an enormous population.
About 3000years ago the bronze age was replaced by the iron age.
Iron.
Hope it helps
