Answer:
I don't know exactly what you mean but i would say i conservative.
Explanation:
Food (including seafood and game), crops, wild foods, and spices.
raw materials (including lumber, skins, fuel wood, organic matter, fodder, and fertilizer)
genetic resources (including crop improvement genes, and health care)
water purity.
biogenic minerals.
Very abbreviated answer: The Black Death was another name for the plague, this claws caused by rats and lead to death of a large sum of the population.
Answer:
The advent of civilization depended on the ability of some agricultural settlements to consistently produce surplus food, which allowed some people to specialize in non-agricultural work, which in turn allowed for increased production, trade, population, and social stratification.
