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U
* indicates a non-preferred term, which includes a link to the preferred term.
- UAW*
- UN*
- underclass
- underdeveloped countries*
- undergraduate programs
- unearned income
- unemployment
- unemployment benefits
- unemployment insurance
- unemployment rate
- Uniform Crime Reports
- Union Army
- union leaders
- union membership
- union representation
- unionization
- unions*
- United Auto Workers
- United Nations
- United States Congress
- United States Department of Defense
- United States Department of Energy
- United States House of Representatives
- United States Senate
- United States Supreme Court
- universities
- university students*
- unrelated individuals
- unwanted pregnancies
- unwed mothers
- upper class
- urban areas
- urban crime
- urban decline
- urban development
- Urban League*
- urban migration
- urban planning
- urban population
- urban poverty
- urban problems
- urban renewal
- urbanization
- urinalysis
- US Supreme Court*
- utilities*
- utility companies*
- utility rates