USA | T he Amazing facts about USA

USA

The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states,  a federal district ive major  self-governing territories  and  variose possessions, At 3.8 million square miles (9.8 million km²) and with over 325 million people, the United States is the world's and the third-or fourth largest country by total area most populous,The capital is  washington D.C. and the  largest city by population is  new york city Forty-eight states and the capital's federal district are  contiguous and located in  north america between  canada, and mexico,The state of alaska is in the northwest corner of North America, bordered by Canada to the east and across the  bering strait from  russia to the west. The state of hawai is an  archipelago in the mid-pacific ocean The U.S. territories are scattered about the Pacific Ocean and the  caribean sea,stretching across nine official  time zones, The extremely diverse geography, climate, and wildlife of the United States make it one of the world's 17 megadiverse countries,

Population

The U.S Census bureau estimated the country's population to be 325,719,178 as of July 1, 2017, and to be adding 1 person (net gain) every 13 seconds, or about 6,646 people per day,  The U.S. population almost quadrupled during the 20th century, from about 76 million in 1900,  The third most populous nation in the world, after China and India, the United States is the only major industrialized nation in which large population increases are projected.

language

English (American English) is the  national language,   Although there is no  official language at the federal level, some laws—such as U.S naturalization requirements standardize English. In 2010, about 230 million, or 80% of the population aged five years and older, spoke only English at home. spanish spoken by 12% of the population at home, is the second most common language and the most widely taught second language. Some Americans advocate making English the country's official language, as it is in 32 states.

Religion

The  First Amendment of the U.S. Constitution guarantees the free exercise of religion and forbids Congress from passing laws respecting  establishment, Christianity is by far the most common religion practiced in the U.S., but other religions are followed, too. In a 2013 survey, 56% of Americans said that religion played a "very important role in their lives", a far higher figure than that of any other wealthy nation,  In a 2009 Gallup poll, 42% of Americans said that they attended church weekly or almost weekly; the figures ranged from a low of 23% in Vermont to a high of 63% in  mississippi,

According to a 2014 survey, 70.6% of adults in the United States identified themselves as christians protestants accounted for 46.5% of them, while roman catholic at 20.8%, formed the largest single denomination, In 2014, 5.9% of the U.S. adult population claimed a non-Christian religion, These include Judaism(1.9%), Islam(0.9%), Buddhism (0.7%), and Hinduism (0.7%), The survey also reported that 22.8% of Americans described themselves as  agnostic, atheist,  or simply having no religion—up from 8.2% in 1990,  There are also  unitarian universalist scientologist, baha'i, sikh, jain, shinto, confucian taoist, druid, native american ,wiccan, humanist and deist communities,

Military

The President holds the title of commander-in-chief of the nation's armed forces and appoints its leaders, the secretary of defense and the  joint chiefs of staff, The united states department of  defense  administers the armed forces, including the  Army, Marine corps, Navy,  and Air force, The coast guard is run by the Department of homeland security,In 2008, the armed forces had 1.4 million personnel on active duty. The Reserves and  National guard brought the total number of troops to 2.3 million. The Department of Defense also employed about 700,000 civilians, not including contractors,

sport

American football is by several measures the most popular spectator sport, the  (NFL) has the highest average attendance of any sports league in the world, and the super bowl is watched by millions globally baseball has been regarded as the U.S. national sport since the late 19th century, with major league baseball (MLB) being the top league. basketball and ice hockey are the country's next two  leading professional team sports,with the top leagues being the  (NBA) and the (NHL).

Science  

The United States has been a leader in technological innovation since the late 19th century and scientific research since the mid-20th century.
The rise of  fascism and nazism in the 1920s and 1930s led many European scientists, including  Albert Einstein, Enrico fermi and  john von neumann, to immigrate to the United States. During World War II, the  Manhattan project developed nuclear weapons, ushering in the  Atomic age, while the space race produced rapid advances in rocketry, materials science and aeronautics,
Advancements by American  Microprocessor companies such as  Advanced Micro Devices (AMD), and Intel along with both computer  software and hardware companies that include adobe  -systems, Apple, Inc, IBM, Microsoft, and  sun micro system created and popularized the  Personal computer,The ARPANET  was developed in the 1960s to meet  defense department  requirements, and became the first of a series of networks which evolved into the internet,
In the 21st century, approximately two-thirds of research and development funding comes from the private sector , The United States leads the world in scientific research papers and Impact factor,

National Things/symbols 

Seal	Great Seal of the United States	(obverse) (reverse)
National bird	Bald eagle
National mammal	North American bison
National anthem	"The Star-Spangled Banner"	"The Star-Spangled Banner"

National flower                              Rose
Nation language                            English                                   
National food                                 hamburger and apple pie

Writter
Ali Haider
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