claim: The author of What is Property was a member of a national governing body. He inspired a political group founded by Édouard Jonas and Édouard Berth. Olivier Ferrand was elected to the governing body.
supporting_facts.key: Cercle Proudhon
supporting_facts.key: Cercle Proudhon
supporting_facts.key: Pierre-Joseph Proudhon
supporting_facts.key: Pierre-Joseph Proudhon
supporting_facts.key: What Is Property?
supporting_facts.key: Olivier Ferrand