united_states | ethnicgroup | native_americans_in_the_united_states <tsp> united_states | language | english_language <tsp> united_states | leadertitle | president_of_the_united_states <tsp> united_states | leadername | john_roberts <tsp> 250_delaware_avenue | location | 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 
250 delaware avenue is located within the united states where english is the language and the native americans are an ethnic group. john roberts is a leader in the united states where the country's leader is titled the president of the united states.the united states of the united states is the world's third-largest country by land and total area