Is a relationship in which one species benefits and the other is neither harmed nor

Commensalism is when one is helped while the other is helped nor harmed. kind of like a bird making their nest in a tree. The bird has a home (benefit) while the tree is just there (harm nor helped)

i do not know and i have a 100 in this class

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.