The capital city of the entire U.S.A. is Washington D.C. The common language spoken there is English, but there are many people with different ethnic backgrounds who speak different languages that call the United States there home. The population according to the U.S. Bureau of Census as of October 31st, 2003, is 292, 475,565. The America way of life and their type of government is a democracy. The United States of America is known as "The Land of the Free . The Total area of the U.S. is 9,629,091 squared kilometers. Its climate is, mostly temperate, but tropical in Hawaii and Florida, arctic in Alaska, semiarid in the great plains west of the Mississippi River, and arid in the Great Basin of the southwest; low winter temperatures in the northwest are ameliorated occasionally in January and February by warm Chinook winds from the eastern slopes of the Rocky Mountains. They have four different time zones: Pacific time zone, Mountain time zone, Central time zone and the Eastern time zone