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Demographic evidence indicates that the US bombings of Cambodia, especially the Menu bombings, ultimately killed about 40,000 Cambodian combatants and civilians.<ref>Marek Sliwinski, Le Génocide Khmer Rouge: Une Analyse Démographique (L’Harmattan, 1995), pp41-8.</ref> Some estimates go as high as 100,000 killed by the bombing.<ref>http://www.yale.edu/cgp/Walrus_CambodiaBombing_OCT06.pdf</ref> The US Seventh Air Force argued that the bombing prevented the fall of Phnom Penh in 1973 by killing 16,000 of 25,500 Khmer Rouge fighters besieging the city.  Documents uncovered from the Soviet archives after 1991 reveal that the North Vietnamese invasion of Cambodia in 1970 was launched at the explicit request of the Khmer Rouge and negotiated by Pol Pot's then second in command, Nuon Chea.<ref>Dmitry Mosyakov, “The Khmer Rouge and the Vietnamese Communists: A History of Their Relations as Told in the Soviet Archives,” in Susan E. Cook, ed., Genocide in Cambodia and Rwanda (Yale Genocide Studies Program Monograph Series No. 1, 2004), p54ff. Availible online at: http://128.36.236.77/workpaper/pdfs/GS20.pdf "In April-May 1970, many North Vietnamese forces entered Cambodia in response to the call for help addressed to Vietnam not by Pol Pot, but by his deputy Nuon Chea. Nguyen Co Thach recalls: “Nuon Chea has asked for help and we have liberated five provinces of Cambodia in ten days.”"</ref>

Demographic evidence indicates that the US bombings of Cambodia, especially the Menu bombings, ultimately killed about 40,000 Cambodian combatants and civilians.<ref>Marek Sliwinski, Le Génocide Khmer Rouge: Une Analyse Démographique (L’Harmattan, 1995), pp41-8.</ref> Some estimates go as high as 100,000 killed by the bombing.<ref>http://www.yale.edu/cgp/Walrus_CambodiaBombing_OCT06.pdf</ref> The US Seventh Air Force argued that the bombing prevented the fall of Phnom Penh in 1973 by killing 16,000 of 25,500 Khmer Rouge fighters besieging the city.  Documents uncovered from the Soviet archives after 1991 reveal that the North Vietnamese invasion of Cambodia in 1970 was launched at the explicit request of the Khmer Rouge and negotiated by Pol Pot's then second in command, Nuon Chea.<ref>Dmitry Mosyakov, “The Khmer Rouge and the Vietnamese Communists: A History of Their Relations as Told in the Soviet Archives,” in Susan E. Cook, ed., Genocide in Cambodia and Rwanda (Yale Genocide Studies Program Monograph Series No. 1, 2004), p54ff. Availible online at: http://128.36.236.77/workpaper/pdfs/GS20.pdf "In April-May 1970, many North Vietnamese forces entered Cambodia in response to the call for help addressed to Vietnam not by Pol Pot, but by his deputy Nuon Chea. Nguyen Co Thach recalls: “Nuon Chea has asked for help and we have liberated five provinces of Cambodia in ten days.”"</ref>

===Middle East===

===Middle East===