In england during the middle ages each village had an area of pasture on which any family in the village was allowed to graze its cows and sheep without charge. eventually, the grass in the pasture would be depleted and no family's cow or sheep would get enough to eat. the reason the grass was depleted was a. self-interest motives led livestock owners to raise too many cows and sheep. b. the area of pasture was nonexcludable and the consumption of the grass was rival. c. it did not get enough rainfall. d. due to a policy of neglect on the part of the english government.