united_states | ethnicgroup | african_americans <tsp> united_states | leadertitle | president_of_the_united_states <tsp> angola_indiana | ispartof | steuben_county_indiana <tsp> united_states | demonym | americans <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 
the inhabitants of the united states are known as americans and include the ethnic group of african americans. the country is led by the president and is the location of angola. part of steuben county. indiana.the united states is the world's third-largest country by both land and total area