united_states | ethnicgroup | african_americans <tsp> united_states | language | english_language <tsp> angola,_indiana | ispartof | steuben_county,_indiana <tsp> angola,_indiana | country | united_states <sep> the united states of america (usa or usa), commonly known as the united states (us or us) or america, is a country primarily located in north america it consists of 50 states, a federal district, five major unincorporated territories, nine minor outlying islands, and 326 indian reservations the united states is the world's third-largest country by both land and total area 
angola is located in steuben county. indiana in the united states. the country uses the english language and includes the ethnic group known as african americans.the united states is the world's third-largest country by both land and total area