America (USA),

America (USA)

• United States

The u.  s. of America (USA), usually called the us (U.S. or US) or America, may be a country comprising fifty states, a territorial division, 5 major free territories, and numerous possessions. At 3.8 million sq. miles (9.8 million km2), the United States is that the world's third or fourth largest country by total area[h] and is slightly smaller than the whole continent of Europe's three.9 million square miles (10.1 million km2). With a population of over 327 million folks, the U.S. is the third most populous country. The capital is Washington, D.C., and the largest city by population is New York City. Forty-eight states and also the capital's territorial division area unit contiguous in North America between North American nation and North American country. The State of Alaska is within 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 Hawaii is AN land within the mid-Pacific Ocean. The U.S. territories area unit scattered concerning the ocean and also the sea, stretching across nine official time zones. The very various geographics, climate, and wildlife of the United States make it one of the world's 17 megadiverse countries.

• superpower.

The us is that the world's oldest living federation. It is a federal republic and a representative democracy. The us may be a creation member of the UN, World Bank, International fund, Organization of yank States (OAS), and alternative international organizations. The United States is a highly developed country, with the world's largest economy by nominal GDP and second-largest economy by PPP, accounting for approximately a quarter of global GDP.The U.S. economy is essentially post-industrial, characterised by the dominance of services and knowledge-based activities, though the producing sector remains the second-largest within the world.The us is that the world's largest businessperson and also the second largest bourgeois of products, by value. though its population is merely four.3% of the planet total, the U.S. holds thirty first of the whole wealth within the world, the most important share of world wealth targeted during a single country.

Despite wide financial gain and wealth disparities, the us continues to rank terribly high in measures of socioeconomic performance, together with average wage, human development, per capita GDP, and employee productivity. The us is that the foremost military power within the world, creating up a 3rd of world military outlay, and may be a leading political, cultural, and scientific force internationally.

• Etymology

In 1507, the German map maker Martin Waldseemüller made a world map on that he named the lands of the occident America in honor of the Italian mortal and map maker Amerigo Vespucci (Latin: Americus Vespucius). the primary documentary proof of the phrase "United States of America" is from a letter dated January two, 1776, written by author Moylan, Esq., to George Washington's aide-de-camp and Muster-Master General of the Continental Army, Lt. Col. Joseph Reed. Moylan expressed his would like to travel "with full and ample powers from the us of America to Spain" to hunt help within the revolutionary war effort.[42][43][44] The first known publication of the phrase "United States of America" was in AN anonymous essay within the Virginia Gazette newspaper in Williamsburg, Virginia, on April 6, 1776.

The second draft of the Articles of Confederation, ready by John poet and completed by June seventeen, 1776, at the latest, declared "The name of this Confederation shall be the 'United States of America'". the ultimate version of the Articles sent to the states for agreement in late 1777 contains the sentence "The vertical of this Confederacy shall be 'The United States of America'".In June 1776, President wrote the phrase "UNITED STATES OF AMERICA" altogether capitalized letters within the headline of his "original Rough draught" of the Declaration of Independence.This draft of the document did not surface until June 21, 1776, and it is unclear whether it was written before or after Dickinson used the term in his June seventeen draft of the Articles of Confederation.

History

ndigenous peoples and pre-Columbian history

It has been typically accepted that the primary inhabitants of North America migrated from Siberia by method of the navigator land bridge and fell upon least twelve,000 years ago; but, increasing proof suggests a fair earlier arrival.once crossing the land bridge, the primary Americans rapt southward on the Pacific coastand thru an inside unfrozen passageway between the Cordilleran and Laurentide ice sheets. The Clovis culture appeared around eleven,000 BC, ANd is taken into account to be an root of most of the later native cultures of ground.The Clovis culture was believed to represent the primary human settlement of ground.Over the years, more and more evidence has advanced the idea of "pre-Clovis" cultures including tools dating back about 15,550 years ago. It is possible these represent the primary of 3 major waves of migrations into North America.

Geography, climate, and environment

The land area of the entire United States is approximately 3,800,000 square miles (9,841,955 km2),[229] with the contiguous United States making up 2,959,064 square miles (7,663,940.6 km2) of that. Alaska, separated from the contiguous us by North American nation, is that the largest state at 663,268 sq. miles (1,717,856.2 km2). Hawaii, occupying AN land within the central Pacific, southwest of North America, is 10,931 square miles (28,311 km2) in area. The inhabited territories of Puerto law, American Samoa, Guam, Northern Mariana Islands, and U.S. Virgin Islands together cover 9,185 square miles (23,789 km2).[230] Measured by only land area, the United States is third in size behind Russia and China, just ahead of Canada.

The us is that the world's third- or fourth-largest nation by total space (land and water), ranking behind Russia and Canada and simply on top of or below China