After its independence in 1821, Mexico experienced more than fifty years of political chaos until Porfirio D az assumed power in 1876. Thirty-five years later, Mexico entered another period of turbulent instability (1910-29), during which the country underwent a revolution, a counter-revolution, a counter-counter-revolution, three civil wars, and four violent coups or attempted coups. In both periods, governments repudiated debts, confiscated cash...