The Spanish invasion of Mexico in 1519 left the capital city, Tenochtitlan, in ruins. Conquistador Hernn Corts, following the city's surrender in 1521, established a governing body to organize its reconstruction. Corts was careful to appoint native people to govern who had held positions of authority before his arrival, establishing a pattern that endured for centuries. William F. Connell's reveals how native self-government in former Tenochtitlan evolved over time as the city and its population changed.Drawing on extensive research in Mexico's Archivo General de la Nacin, Connell shows how the hereditary political system of the Mexica was converted into a government by elected town councilmen, patterned after the Spanish or municipal council. In the process, the Spanish relied upon existing Mexica administrative entitiesthe native ethnic state, or of Mexico Tenochtitlan, became the of San Juan Tenochtitlan, for instancepreserving indigenous ideas of government within an imposed Spanish structure. Over time, the electoral system undermined the preconquest elite and introduced new native political players, facilitating social change. By the early eighteenth century, a process that had begun in the 1500s with the demise of Moctezuma and the royal line of Tenochtitlan had resulted in a politically independent indigenous cabildo. is the first systematic study of the indigenous political structures at the heart of New Spain. With careful attention to relations among colonial officials and indigenous power brokers, Connell shows that the ongoing contest for control of indigenous government in Mexico City made possible a new kind of political system neither wholly indigenous nor entirely Spanish. Ultimately, he offers insight into the political voice Tenochtitlan's indigenous people gained with the ability to choose their own leadersexercising power that endured through the end of the colonial period and beyond.