How is the movement of matter through the biosphere different from the flow of energy? A. Matter is recycled within and between ecosystems through biogeochemical cycles.
B. Energy is recycled within and between ecosystems through biogeochemical cycles.
C. Matter flows one way through an ecosystem and is used up
D. Energy flows one way through an ecosystem and is used up.

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.

i guess because love can be toxic ‍♂️