The united states of america (usa), also known as the united states (u.s.) or america, is a country primarily located in north america It shares land borders with canada to its north and with mexico to its south and has maritime borders with the bahamas, cuba, russia, and other nations. It is a federal republic of 50 states and a federal capital district, washington, d.c.
America derives from americus, the latin version of the italian explorer amerigo vespucci 's first name America250 celebrating 250 years of american independence as america approaches the 250th anniversary of the signing of the declaration of independence, the national archives is planning special events and has already launched an ongoing exhibition series, opening the vault, to share some of the most historically valuable and iconic artifacts in american history. The feminine form america was originally used to refer to the newly discovered continent, which is why it was accorded with the feminine names of the other continents
The united states of america (usa), also known as the united states (u.s.) or colloquially as america, is a country that is mainly in north america It is made of 50 states, a federal district (washington, d.c., the district of columbia), and some other territories and insular areas.