united_states | leadertitle | president_of_the_united_states <tsp> united_states | leadername | barack_obama <tsp> 1634:_the_ram_rebellion | country | united_states <tsp> united_states | ethnicgroup | asian_americans <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 united states. where 1634: the ram rebellion was written. is led by president barack obama. one of the ethnic groups there are asian americans.the united states is the world's third-largest country by both land and total area