Early settlements did not know agriculture, so they depended on hunting, fishing and gathering.
If they wanted to be successful and not starve ti death, they might have wanted to find a place where food and fruit where available and abundant, until they found rivers.
Answer:
[tex] \boxed{\bf~Plants~and~animals~where~more~abundant~near~rivers.} [/tex]
Hope it helped,
Happy homework/ study/ exam!
