José María Velasco Ibarra nullified the Rio de Janeiro Protocol, which led to conflicts between Ecuador and Peru, including Paquisha in 1981 and the War of El Cenepa in 1995. Finally, in 1968 Velasco Ibarra won the presidency for a fifth time. This government ended abruptly on February 15, 1972, when once more he was deposed in a bloodless coup, which brought General Guillermo Rodríguez Lara to power. In total, Velasco Ibarra governed nearly 13 years, making him the longest-serving president in Ecuadorian history (although Rafael Correa's decade-long presidency from 2007 until 2017 is the longest continuous presidency). The events surrounding the end of
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,