Answer:
Available freshwater allowed people to grow food.
Explanation:
Water is super important for a lot of different reasons. The more water that people had, the more crops that they can grow.
D. It did not allow for a centralized government
Safeguarding is a term used in the United Kingdom and Ireland to denote measures to protect the health, well-being and human rights of individuals, which allow people — especially children, young people and vulnerable adults — to live free from abuse, harm and neglect.