united_states | leadertitle | president_of_the_united_states <tsp> united_states | leadername | barack_obama <tsp> united_states | demonym | americans <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 
1634 the ram rebellion comes from the united states where the leader. known as the president is barack obama. americans inhabit the us and asian americans are one of the ethnic groups.the united states is the world's third-largest country by both land and total area