10 Essential facts about USA you didn't know

 The USA is a federal republic

 Independence was declared on July 4th, 1776

Columbus discovered the Americas in 1442

The North American continent has been populated for over 15,000 years

The USA waged a War of Independence from Britain

George Washington was the first President of the United States

Western expansion increased the size of the USA

There was a civil war in April 12, 1861 – May 26, 1865

 The USA has incredibly diverse geography and wildlife

 The culture is as diverse as the nature

10 Interesting facts about USA, very few people know about them.

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