united_states | demonym | americans <tsp> united_states | capital | washington,_dc <tsp> atlas_ii | countryorigin | united_states <tsp> united_states | ethnicgroup | african_americans <tsp> united_states | leadertitle | president_of_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 
the atlas ii originated from the u.s. where the inhabitants are called americans and the capital is washington. d.c. one of the ethnic groups in the united states is african americans. and the leader has the title president.the united states of the united states (u.s.a. or usa) is a country primarily located in north america