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USA VISAS

UNITED STATES

The United States of America (also referred to as the United States, the U.S., the USA, or America) is a federalconstitutional republic comprising fifty states and a federal district. The country is situated mostly in central North America, where its forty-eight contiguous states and Washington, D.C., the capital district, lie between the Pacific and Atlantic Oceans, bordered by Canada to the north and Mexico to the south. The state of Alaska is in the northwest of the continent, with Canada to the east and Russia to the west across the Bering Strait. The state of Hawaii is an archipelago in the mid-Pacific. The country also possesses several territories in the Caribbean and Pacific.

At 3.79 million square miles (9.83 million km2) and with over 310 million people, the United States is the third or fourth largest country by total area, and the third largest both by land area and population. It is one of the world's most ethnically diverse and multicultural nations, the product of large-scale immigration from many countries.[7] The U.S. economy is the world's largest national economy, with an estimated 2009 GDP of $14.3 trillion (a quarter of nominal global GDP and a fifth of global GDP at purchasing power parity

Indigenous peoples of Asian origin have inhabited what is now the mainland United States for many thousands of years. This Native American population was greatly reduced by disease and warfare after European contact. The United States was founded by thirteen British colonies located along the Atlantic seaboard. On July 4, 1776, they issued the Declaration of Independence, which proclaimed their right to self-determination and their establishment of a cooperative union. The rebellious states defeated the British Empire in the American Revolution, the first successful colonial war of independence.[9] The current United States Constitution was adopted on September 17, 1787; its ratification the following year made the states part of a single republic with a strong central government. The Bill of Rights, comprising ten constitutional amendments guaranteeing many fundamental civil rights and freedoms, was ratified in 1791.

In the 19th century, the United States acquired land from France, Spain, the United Kingdom, Mexico, and Russia, and annexed the Republic of Texas and the Republic of Hawaii. Disputes between the agrarian South and industrial North over states' rights and the expansion of the institution of slavery provoked the American Civil War of the 1860s. The North's victory prevented a permanent split of the country and led to the end of legal slavery in the United States. By the 1870s, the national economy was the world's largest.[10] The Spanish–American War and World War I confirmed the country's status as a military power. It emerged from World War II as the first country with nuclear weapons and a permanent member of the United Nations Security Council. The end of the Cold War and the dissolution of the Soviet Union left the United States as the sole superpower. The country accounts for 40% of global military spending and is the leading economic, political, and cultural force in the world

CROSSTECH IS ONLY PAKISTAN LARGEST IMMIGRATION AND STUDENT CONSULTANCY FIRM WHO DEALS ALL OF THE FOLLOWING

Purpose of Travel to U.S. and Nonimmigrant Visas Visa Type
Athletes, amateur & professional (compete for prize money only) B-1
Au pairs (exchange visitor) J
Australian professional specialty E-3
Border Crossing Card: Mexico BCC
Diplomats and foreign government officials A
Domestic employees or nanny -must be accompanying a foreign national employer B-1
Employees of a designated international organization, and NATO G1-G5, NATO
Exchange visitors J
Foreign military personnel stationed in the U.S. A-2
NATO1-6
Foreign nationals with extraordinary ability in Sciences, Arts, Education, Business or Athletics O
Free Trade Agreement (FTA) Professionals: Chile, Singapore H-1B1
International cultural exchange visitors Q
Intra-company transferees L
Medical treatment, visitors for B-2
NAFTA professional workers: Mexico, Canada TN/TD
Nurses coming to health professional shortage areas H1-C
Performing athletes, artists, entertainers P
Physician J, H-1B
Professor, scholar, teacher (exchange visitor) J
Religious workers R
Specialty occupations in fields requiring highly specialized knowledge H-1B
Students: academic, vocational F, M
Temporary agricultural workers H-2A
Temporary workers performing other services or labor of a temporary or seasonal nature. H-2B
Tourism, vacation, pleasure visitors B2
Training in a program not primarily for employment H-3
Treaty traders/treaty investors E
Transiting the United States C
Visa Renewals - Available in the U.S.  

For employers to petition for an alien to come to the United States temporarily to perform services or labor, or to receive training, as an H-1B, H-1C, H-2A, H-2B, H-3, L-1, O-1, O-2, P-1, P-1S, P-2, P-2S, P-3, P-3S, Q-1 or R-1 nonimmigrant worker. Employers may also use this form to request an extension of stay or change of status for an alien as an E-1, E-2, or TN nonimmigrant.

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