united_states | leadername | barack_obama <tsp> a_wizard_of_mars | language | english_language <tsp> a_wizard_of_mars | 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 
a wizard of mars (written in english) was published in the united states. the previous president of the country was barack obama and the original ethnic group there is native american.the united states in the united states is a country primarily located in north america