united_states | capital | washington,_dc <tsp> united_states | leadertitle | president_of_the_united_states <tsp> united_states | leadername | john_roberts <tsp> united_states | leadername | joe_biden <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 
washington dc is the capital of the united states where the country's leader is known as the president. joe biden is a leader in the us and the chief justice of the usa is john roberts. the country is the location of 250 delaware avenue.the united states is the world's third-largest country by both land and total area