united_states | leader | barack_obama <tsp> united_states | ethnicgroup | asian_americans <tsp> united_states | capital | washington,_dc <tsp> akron,_ohio | country | united_states <tsp> akron,_ohio | ispartof | summit_county,_ohio <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 
barack obama is leader of the united states. where the capital is washington dc and where asian americans are one of the ethnic groups. the us is home to akron. which is part of summit county in ohio.the united states is the world's third-largest country by both land and total area