Latin America–United States relations General Hugo Banzer overthrew leftist General Juan José Torres in 1971; in Uruguay, considered the "Switzerland" of South America, Juan María Bordaberry seized power in the 27 June 1973 coup. In Peru, leftist General Velasco Alvarado in power since 1968, planned to use the recently empowered Peruvian military to overwhelm Chilean armed forces in a planned invasion of Pinochetist Chile. A "Dirty War" was waged all over the subcontinent, culminating with Operation Condor, an agreement between security services of the Southern Cone and other South American countries to repress and assassinate political opponents, which was backed by the US government.
Juan Bautista Alvarado was born in Monterey, Alta California, to Jose Francisco Alvarado and María Josefa Vallejo. His grandfather Juan Bautista Alvarado accompanied Gaspar de Portolà as an enlisted man in the Spanish Army in 1769. His father died a few months after his birth and his mother remarried three years later, leaving Juan Bautista in the care of his grandparents on the Vallejo side, where he and Mariano Guadalupe Vallejo grew up together. They were both taught by William Edward Petty Hartnell, an English merchant living in Monterey. In 1827 the eighteen-year-old Alvarado was hired as secretary to the territorial legislature. In