United States
The United States of America (USA or U.S.A.), commonly known as the United States (US or U.S.) or America, is a country primarily located in North America. It is a federation of 50 states, a federal capital district (Washington, D.C.), and 326 Indian reservations.}} Outside the union of states, it asserts sovereignty over five major unincorporated island territories and various uninhabited islands., November 1997, pp. 1, 6, 39n. Both viewed April 6, 2016.}} The country has the world's third-largest land area,, the United States is the third-largest country in the world by land area, behind Russia and China. By total area (land and water), it is the third-largest, behind Russia and Canada, if its coastal and territorial water areas are included. However, if only its internal waters are included (bays, sounds, rivers, lakes, and the Great Lakes), the U.S. is the fourth-largest, after Russia, Canada, and China.Coastal/territorial waters included:
Only internal waters included: |name=largestcountry}} second-largest exclusive economic zone, and third-largest population, exceeding 334 million.
Paleo-Indians migrated across the Bering land bridge more than 12,000 years ago. British colonization led to the first settlement of the Thirteen Colonies in Virginia in 1607. Clashes with the British Crown over taxation and political representation sparked the American Revolution, with the Second Continental Congress formally declaring independence on July 4, 1776. Following its victory in the Revolutionary War (1775–1783), the country continued to expand across North America. As more states were admitted, sectional division over slavery led to the secession of the Confederate States of America, which fought the remaining states of the Union during the 1861–1865 American Civil War. With the Union's victory and preservation, slavery was abolished nationally. By 1890, the United States had established itself as a great power. After Japan's attack on Pearl Harbor in December 1941, the U.S. entered World War II. The aftermath of the war left the U.S. and the Soviet Union as the world's two superpowers and led to the Cold War, during which both countries engaged in a struggle for ideological dominance and international influence. Following the Soviet Union's collapse and the end of the Cold War in 1991, the U.S. emerged as the world's sole superpower.
The U.S. national government is a presidential constitutional republic and liberal democracy with three separate branches: legislative, executive, and judicial. It has a bicameral national legislature composed of the House of Representatives, a lower house based on population; and the Senate, an upper house based on equal representation for each state. Substantial autonomy is given to states and several territories, with a political culture that emphasizes liberty, equality under the law, individualism, and limited government.
One of the world's most developed countries, the United States has had the largest nominal GDP since about 1890 and accounted for 15% of the global economy in 2023. It possesses by far the largest amount of wealth of any country and has the highest disposable household income per capita among OECD countries. The U.S. ranks among the world's highest in economic competitiveness, productivity, innovation, human rights, and higher education. Its hard power and cultural influence have a global reach. The U.S. is a founding member of the World Bank, IMF, Organization of American States, NATO, and World Health Organization, as well as a permanent member of the UN Security Council. Provided by Wikipedia
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61
Senate cloture rule
Published 1963“…Legislative Counsel, United States Senate.…”
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62
Senate of the United States /
Published 2006“…United States Senate --…”
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63
Corrosion of magnesium alloy ZK60A in marine atmosphere and tidewater / by Reinhart, Fred M.
Published 1952Other Authors: “…United States. National Bureau of Standards…”
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64
Tax Administration : information on selected foreign practices that may provide useful insights : report to congressional requesters / by Brostek, Michael
Published 2011Other Authors: “…United States. Government Accountability Office…”
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65
Alpha particle angular distribution information from recoil range measurements of reactions induced in Ni <sup>58</sup> with 46 to 68 MeV helium ions by Blann, Marshall, Ewart, Alan
Published 1963Other Authors: “…of Rochester, NY (United States)…”
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66
Spectroscopic studies of the 110{degree}C thermal aging of PETN by Dosser, L.R, Seliskar, C.J
Published 1992Other Authors: “…Mound, Miamisburg, OH (United States)…”
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67
An analysis of sensitivity tests by Neyer, B.T
Published 1992Other Authors: “…Mound, Miamisburg, OH (United States)…”
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68
Effect of the lattice orientation on the channelling of fast neutrons through SrTiO<sub>3</sub> single crystals by Weik, H.
Published 1964Other Authors: “…of Cincinnati, OH (United States)…”
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69
Integrated vacuum circuits for environments of intense radiation by Boden, E. H.
Published 1964Other Authors: “…Sylvania, Emporium, PA (United States)…”
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70
Spin 1 centers in neutron irradiated silicon by Jung, Wun, Newell, G. S.
Published 1963Other Authors: “…Univ., Lafayette, IN (United States)…”
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71
Vapor pressures of samarium and gadolinium by Nachman, J. F., Yamamoto, A. S., Lundin, C. E.
Published 1964Other Authors: “…Univ. of Denver, CO (United States)…”
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72
Rare earth oxyfluorides and mixed oxides, luorides and oxyfluorides with lithium by Vorres, Karl S., Riviello, Richard
Published 1964Other Authors: “…Univ., Lafayette, IN (United States)…”
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73
Branchburg Solar Farm and Carport by Gregory, John
Published 2013Other Authors: “…of Branchburg, NJ (United States)…”
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74
Indian issues : observations on some unique factors that may affect economic activity on tribal lands : testimony before the Subcommittee on Technology, Information Policy, Intergo... by Mittal, Anu K.
Published 2011Other Authors: “…United States. Government Accountability Office…”
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75
The Hungarian revolution of 1956 in retrospect /
Published 1978“…Péter Kende -- The United States / Imre Kovács.…”
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76
United States Commission on Civil Rights : reports on voting /
Published 2005“…Advisory Committee to the United States Commission on Civil Rights…”
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77
Long-Term Hydrologic Monitoring Program Sampling and Analysis Results for 2010
Published 2011Other Authors: “…Legacy Management (United States)…”
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78
Long-Term Hydrologic Monitoring Program Sampling and Analysis Results for 2008
Published 2008Other Authors: “…Legacy Management (United States)…”
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79
Program diode and its use in E-beam diagnostics by Phillips, A. R.
Published 1975Other Authors: “…Labs., Albuquerque, NM (United States)…”
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80
Parametric study of the diametral compression test for ceramics by Marion, R. H., Johnstone, J. K.
Published 1975Other Authors: “…Labs., Albuquerque, NM (United States)…”
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