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Subject
- Employment63
- Undocumented immigrants44
- Noncitizens42
- Foreign workers32
- Emigration and immigration law24
- Foreign worker certification18
- Immigrants16
- Legal status, laws, etc13
- Emigration and immigration9
- Government policy9
- Discrimination in employment7
- Economic conditions7
- Sanctions, Administrative7
- Employee screening6
- United States. Social Security Administration6
- Law and legislation5
- Evaluation4
- History4
- Economic aspects3
- Immigration enforcement3