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- United States. — Immigration and Naturalization Service.
- Border Security — Mexican-American Border Region.
- Immigration Enforcement — Mexican-American Border Region.
- Mexicans — Legal Status, Laws, Etc. — United States.
- Border Security — Government Policy — United States.
- Emigration and Immigration Law — United States.
- Mexican-American Border Region — Emigration and Immigration.
- United States — Emigration and Immigration — Government Policy.