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The United States is a leader in the development of artificial intelligence technology and has maintained a space program since the late 1950s, with plans for long-term habitation of the Moon. [307] [308] In 2022, the United States was the country with the second-highest number of published scientific papers. [309]
Die Vereinigten Staaten von Amerika (englisch United States of America; abgekürzt USA), kurz auch Vereinigte Staaten (englisch United States; abgekürzt US) und Amerika (englisch America) genannt, sind eine demokratische, föderal aufgebaute Republik in Nordamerika und mit einigen Inseln auch in Ozeanien.
Os Estados Unidos têm a maior taxa registrada de encarceramento [ 214] e a maior população carcerária total [ 215] do mundo. No início de 2008, mais de 2,3 milhões de pessoas foram presas, mais de um em cada 100 adultos. [ 216] A taxa é de cerca de sete vezes o valor de 1980. [ 217]
The United States of America ( U.S.A. or USA ), commonly known as the United States ( U.S., US or the States ), or simply America, is a sovereign country mostly in North America. It is divided into 50 states. Forty-eight of these states and the District of Columbia border each other between the Pacific and Atlantic Oceans.
The United States of America is a federal republic [1] consisting of 50 states, a federal district ( Washington, D.C., the capital city of the United States), five major territories, and various minor islands. [2] [3] Both the states and the United States as a whole are each sovereign jurisdictions. [4]
Die Geschichte der Vereinigten Staaten reicht von der Gründung der ersten Britischen Kolonien an der Ostküste Nordamerikas im 17. Jahrhundert bis zur Gegenwart, in der die USA die führende Weltmacht darstellen. Die Kolonien erklärten 1776 ihre Unabhängigkeit vom Königreich Großbritannien.
The United States of America, commonly known as the United States or America, is a country primarily located in North America. It is a federation of 50 states, a federal capital district, and 326 Indian reservations. Outside the union of states, it asserts sovereignty over five major unincorporated island territories and various uninhabited islands. The country has the world's third-largest ...
