united_states | leadername | barack_obama <tsp> united_states | capital | washington,_dc <tsp> 1634:_the_ram_rebellion | country | united_states <tsp> 1634:_the_ram_rebellion | precededby | 1634:_the_galileo_affair <tsp> united_states | ethnicgroup | african_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 was preceded by 1634: the galileo affair and originates in the united states. that country is led by barack obama from the capital city of washington dc. it contains the ethnic group of african americans.the united states is the world's third-largest country by both land and total area