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>?
{'answer': '"Politics as a Vocation"', 'supporting_facts': [['Monopoly on violence', 1], ['Max Weber', 0], ['Max Weber', 2]]}