Lichens, represented by this symbiotic relationship, are responsible for or the establishment of a new site for plant growth.
a)
primary succession
b)
secondary succession
c)
trophic metamorphosis
d)
ecological infiltration

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.