The period following Mexico's war with the United States in 1847 was characterized by violent conflicts, as liberal and conservative factions battled for control of the national government. The civil strife was particularly bloody in south central Mexico, including the southern state of Oaxaca. In Sons of the Sierra, Patrick McNamara explores events in the Oaxaca district of Ixtlan, where Zapotec Indians supported the liberal cause and sought to exercise influence over statewide and national politics.

Two Mexican presidents had direct ties to Ixtlan district: Benito Juarez,...