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.
Provisional Revolutionary Government of the Republic of South Vietnam intelligence operatives arrested an influential anti-government organizer, Ba Tra. Ba Tra gave the South Vietnamese government extensive information on anti-government forces working in the city. This setback was compounded by his identification of one of the key cadre in the financial division. Under torture, Ba Tra identified more figures in the underground, who were then arrested. By 1967, the entire Saigon organization had been sent further underground. The Tet Offensive during 1968 triggered a wave of oppression, forcing many people into the jungle. These peoplebusinessmen, middle class, doctors and other professionals started The Alliance. The then-new American president, Richard Nixon,