united_states | leadertitle | president_of_the_united_states <tsp> united_states | leadername | barack_obama <tsp> united_states | capital | washington,_dc <tsp> 1634:_the_ram_rebellion | country | united_states <tsp> united_states | ethnicgroup | native_americans_in_the_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 
president barack obama leads the united states where the population includes the ethnic group of native americans. it has the capital of washington dc and 1634 the ram rebellion was written in the country.the united states is the world's third-largest country by both land and total area