united_states | capital | washington_dc <tsp> united_states | leadertitle | president_of_the_united_states <tsp> united_states | leadername | paul_ryan <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 
the leader of the us is known as the president and the capital city is washington dc. one of the country's leaders if paul ryan and it is the location of 250 delaware avenue.the united states is the world's third-largest country by both land and total area