Browsing Formerly Published but Now Replaced Encyclopedia Articles by Subject "Vietnam War, 1961-1975"
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(Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia., 2013-03-18)During the Vietnamese War between 1961 and 1971 the United States armed forces engaged in a massive defoliation and crop destruction campaign named Operation Ranch Hand. Agent Orange, an herbicide so named because of the ...