The corpse that would not die:  the Immigration Reform and Control Act of 1986.
Fuchs
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D000383:Agriculture; D000569:Americas; D003469:Culture; D003710:Demography; D019049:Developed Countries; D004467:Economics; D004641:Emigration and Immigration; D004651:Employment; D005006:Ethnicity; D006280:Health Workforce; D007878:Legislation as Topic; D009656:North America; D011057:Politics; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D011640:Public Policy; D014481:United States
Agriculture; Americas; Cultural Background; Demographic Factors; Developed Countries; Economic Factors; Ethnic Groups; Human Resources; International Migration--legal aspects; Labor Force; Legislation; Macroeconomic Factors; Migration; Migration Policy; North America; Northern America; Policy; Political Factors; Population; Population Characteristics; Population Dynamics; Population Policy; Social Policy; United States