united states of america

• country comprised of a federation of 50 states in north america and the hawaiian islands, usa
the united states of america is a country in north america. it is often called the usa. it is a member of nato, anzus, and the organization of american states. the united states emerged from the second world war as a major world power. during the cold war era the united states tried to prevent the ussr from extending its sphere of influence. concern about the spread of communism led to the involvement of the united states in the korean war (1950-53) and the vietnam war (1964-75). during the administrations of reagan and bush, the trade deficit and the federal budget deficit became major economic problems. george bush, of the republican party, was president from 1989 to 1993. bill clinton, a democrat, was elected president in 1992 and took office in 1993. the united states exports machinery, cars, chemicals, agricultural products, drinks, and tobacco.