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Subject
- Undocumented immigrants295
- Noncitizens294
- Emigration and immigration169
- Government policy67
- Immigrants44
- Social conditions44
- Social aspects28
- Emigration and immigration law23
- History23
- Foreign workers22
- Human smuggling21
- Refugees18
- Foreign workers, Mexican16
- Illegal aliens13
- Mexicans13
- Border security11
- Legal status, laws, etc9
- Drug traffic8
- Migrant labor8
- Noncitizen detention centers8