Horticulture is the cultivation of plants with primitive tools. I can’t see the answer choices.. but I hope this helps :)
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
Africa and South America.