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The official name of the country that people call America is the United states of America, or just the USA. In the USA there are fifty (50) states. The capital of the country is Washington, DC. The highest mountain in the USA is Denali, which is six thousand one hundred and ninety meters (6190 m). The longest river in the USA is the Missouri. I would like to visit the USA to see its beautiful national parks such as Grand Canyon, to see the beaches of Florida and California and to go to Disneyland.