united_states | ethnicgroup | african_americans <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 
one of the ethnic groups in the united states are the african americans. the us is where you will find angola. part of steuben county in indiana.the united states is the world's third-largest country by both land and total area