1808-1867 1829-1854 1935- 19thcentury 20thcentury agapito armedforces biography brigandsandrobbers central-localgovernmentrelations economicconditions highereducationandstate history industrialization local mexico military politicalandsocialviewsvidaurri politicalcampaigns politicians politicsandgovernment santiago socialclasses socialconditions todd treviño