united_states | ethnicgroup | african_americans <tsp> united_states | leadername | barack_obama <tsp> english_language | spokenin | great_britain <tsp> united_states | language | english_language <tsp> a_wizard_of_mars | country | 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 is an american novel. where english (the language of great britain) is spoken. the previous president was barack obama who is african american.the united states is the world's third-largest country by both land and total area