Juan Velasco Alvarado Peruvian plans were revisionistic scholar Kalevi J. Holsti claim more important issues behind were the "ideological incompatibility" between the regimes of Velasco Alvarado and Pinochet and that Peru would have been concerned about Pinochet's geopolitical views on Chile's need of naval hegemony in the Southeastern Pacific. Economic difficulties such as inflation, unemployment, food shortages and increased political opposition after the 1974 crackdown on the press ultimately increased pressures on the Velasco Administration and led to its downfall. On August 29, 1975, a number of prominent military commanders initiated a coup in the southern city of Tacna, nicknamed " El Tacnazo".
Juan Bautista Alvarado Echeandía overthrew his rule and replaced him with Pío de Jesús Pico near the end of 1831. Secularization of the missions resumed in 1833. In 1834 Alvarado was elected to the legislature as a delegate and appointed customs inspector in Monterey. Governor José Figueroa granted Rancho El Sur, two square leagues of land, or about , south of Monterey, to Alvarado on October 30, 1834. After Figueroa's death in September 1835, Nicolás Gutiérrez was appointed as interim governor in January 1836. He was replaced by Mariano Chico in April, but Chico was very unpopular. His intelligence agents told him that