
From Allende's fall to Saigon's last helicopter and Angola's mercenary trials, see how 1970s proxy wars collided with the nuclear arms race, detente and SALT II. In Chile, 1970, Salvador Allende becomes the first Marxist elected president in Latin America by democratic means, moves to nationalize American-owned copper mines, banks and land, and faces U.S. pressure as credit is cut and a truckers strike is covertly funded. Street battles and a failed coup precede the 1973 air assault on La Moneda; Allende dies in the palace and Augusto Pinochet takes control, ushering in a 17-year dictatorship marked by killings and torture. In Vietnam, April 1975, the last helicopter lifts off the U.S. Embassy roof as Saigon falls. Foreigners evacuate while many South Vietnamese are left behind. A ranger regiment doctor recalls digging into trenches under relentless artillery and being captured alive; refugees risk a treacherous sea escape in overloaded boats. In Angola, 1975, the Soviet-armed MPLA backed by Cuban troops battles FNLA and UNITA forces supported with covert U.S. funds. Mercenaries swell the ranks; in Luanda, Costas Georgiou, known as
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