Which of the following sentences is not true?

animals gathered around flooding river plains.
wild game drew humans toward fertile river valleys.
animals made agricultural communities more dangerous.
animals fed on the plants along the flooded river plains.

The correct anser is C) Animals made agricultural communities more dangerous.

The sentence that is not true is "Animals made agricultural communities more dangerous."

During the Agriculture Revolution or Neolithic Revolution, humans stopped being nomads because they learned agriculture techniques and could settle in one place to grow crops and also learn to domesticate animals. So animals did not represent any danger at all. Those early civilizations settled in next to rivers because the flooding made the land fertile. That was the case, for instance, of the ancient Egyptian civilization that settled in next to the Nile River.

he would based it upon geographic luck which he often resulted his faith in.

i believe the answer is d.