section_path: Colonial period, 1521–1821/Social and political continuity and change
section_name: Social and political continuity and change
paragraph_text: Social and political continuity and change
  
  Although the Aztec empire fell, some of its highest elites continued to hold elite status in the colonial era. The principal heirs of Moctezuma II and their descendants retained high status. His son Pedro Moctezuma produced a son, who married into the Spanish aristocracy and a further generation saw the creation of the title Duke of Moctezuma de Tultengo. From 1696 to 1701, the Viceroy of Mexico held the title of Count of Moctezuma. In 1766, the holder of the title became a Grandee of Spain. In 1865, (during the Second Mexican Empire) the title, which was held by Antonio María Moctezuma-Marcilla de Teruel y Navarro, 14th Count of Moctezuma de Tultengo, was elevated to that of a Duke, thus becoming Duke of Moctezuma, with de Tultengo again added in 1992 by Juan Carlos I. Two of Moctezuma's daughters, Doña Isabel Moctezuma and her younger sister, Doña Leonor Moctezuma, were granted extensive encomiendas in perpetuity by Hernán Cortes. Doña Leonor Moctezuma married in succession two Spaniards, and left her encomiendas to her daughter by her second husband.
  
  The different Nahua peoples, just like other Mesoamerican indigenous peoples in colonial New Spain, were able to maintain many aspects of their social and political structure under colonial rule. The basic division the Spanish made was between the Indigenous populations, organized under the República de indios, which was separate from the Hispanic sphere, the República de españoles. The República de españoles included not just Europeans, but also Africans and mixed-race castas. The Spanish recognized the indigenous elites as nobles in the Spanish colonial system, maintaining the status distinction of the preconquest era, and used these noblemen as intermediaries between the Spanish colonial government and their communities. This was contingent on their conversion to Christianity and continuing loyalty to the Spanish crown. Colonial Nahua polities had considerable autonomy to regulate their local affairs. The Spanish rulers did not entirely understand the indigenous political organization, but they recognized the importance of the existing system and their elite rulers. They reshaped the political system utilizing altepetl or city-states as the basic unit of governance. In the colonial era, altepetl was renamed cabeceras or "head towns" (although they often retained the term altepetl in local-level, Nahuatl-language documentation), with outlying settlements governed by the cabeceras named sujetos, subject communities. In cabeceras, the Spanish created Iberian-style town councils, or cabildos, which usually continued to function as the elite ruling group had in the Preconquest era. Population decline due to epidemic disease resulted in many population shifts in settlement patterns and the formation of new population centers. These were often forced resettlements under the Spanish policy of congregación. Indigenous populations living in sparsely populated areas were resettled to form new communities, making it easier for them to be brought within range of evangelization efforts, and easier for the colonial state to exploit their labor.