How can local environmental changes have global effects?
a. organisms can move from one environment to another.
b. air and water move from region to region.
c. increased carbon dioxide in one location can cause increased temperatures in other locations.
d. all of the above are true.

c

explanation:

i think

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.