Question: What was the name of the essay written in 1919 by a German sociologist, philosopher, jurist, and political economist claiming that the state is the "only human Gemeinschaft which lays claim to the monopoly on the legitimated use of physical force>?
Sentence (from "Albert Schäffle"): Albert Eberhard Friedrich Schäffle (24 February 183125 December 1903) was a German sociologist, political economist, and newspaper editor.
Relevant evidence: No