On June 4, 1923, the Bolivian military turned a machine gun on striking miners in the northern Potos\u00ed town of Unc\u00eda. The incident is remembered as Bolivia s first massacre of industrial workers. The violence in Unc\u00eda highlights a formative period in the development of a working class who would eventually challenge the oligarchic control of the nation.Robert L. Smale begins his study as Bolivia s mining industry transitioned from silver...