Subject
Border security
Noncitizens
Illegal immigration
8
United States Emigration and immigration Government policy
5
Asylum, Right of
3
United States Emigration and immigration
3
Illegal immigration Government policy
2
Noncitizens Government policy
2
Border patrols
1
Borderlands Emigration and immigration
1
Canada Boundaries
1
Emigration and immigration law
1
Fences
1
Immigrants
1
Immigration enforcement
1
Mexican-American Border Region
1
Mexico Boundaries
1
National security
1
Noncitizen children
1
Noncitizen children Government policy
1
Noncitizen children Legal status, laws, etc
1
Noncitizen criminals
1
Ports of entry Security measures
1
Transnational crime Prevention
1
Unaccompanied immigrant children
1
Unaccompanied immigrant children Government policy
1
Walls
1
Walls Design and construction
1