The United States of America (USA) is the only superpower on this
globe now. It is a developed country with diversified cultures such as
Asian, European and African. Some people call USA "the melting pot"
because of the diversity.
USA has a dominating power over
economy, education, policitcs, milatary and culture all around the
world. It has advanced industries, ideas and some of the smartest
scientist on this earth.
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