united_states | ethnicgroup | african_americans <tsp> united_states | language | english_language <tsp> united_states | leader | barack_obama <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 
african americans are an ethnic group in the united states which is where english is spoken and barack obama is the leader. angola. indiana is part of steuben county in the united states.the united states is the world's third-largest country by both land and total area