united_states | leadername | barack_obama <tsp> 1634:_the_ram_rebellion | 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 
1634 the ram rebellion was written in the u.s where barack obama is the leader.the united states is the world's third-largest country by both land and total area