Before revision: Theory As proponents of free-market anarchism, Benjamin TuckerTucker, Benjamin,The Relation of the State to the Individual, 1890 and Gustave de Molinari first explicitly proposed private defense agencies.
After revision: Theory Benjamin TuckerTucker, Benjamin,The Relation of the State to the Individual, 1890 and Gustave de Molinari first explicitly proposed private defense agencies.