What factors improve soil fertility

here are majorly 12 factors influence Soil fertility

Infiltration of water.

Soil structure.

Active Soil life.

Content of organic matter.

Minerals present in the soil.

Acidity or Soil pH.

Water Retention capacity of soil.

Water draining ability of the soil.

(google)

you did not attach the discourse, but i assume it to be the discourse on the origin and basis of inequality among men (the original titile in french is: "discours sur l'origine et les fondements de l'inégalité parmi les hommes"), also know as "second discourse". in this discourse, jean-jacques rousseau emphasizes that private property is the basis of all inequalities.

therefore, what enabled the old regime to maintain as long as it did was private property.