Civilizations that were in temperate river valleys tended to have food provided by:

Civilizations that were in temperate river valleys tended to have food that are provided by the farmers because the farmers are their only source of food because they grow fruits and vegetables that will be suited and help the people living in the valleys.

the idealization of the rural landscape ; admiration for the beauty of nature ; focus on an individual's inner concerns

when in doubt choose c

it's what my teacher told my class when we were going into psats