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  1. Hace 16 horas · Under the law, the Immigration and Nationality Act of 1965, the number of first-generation immigrants living in the United States has increased, from 9.6 million in 1970 to about 38 million in 2007. Around a million people legally immigrated to the United States per year in the 1990s, up from 250,000 per year in the 1950s.

  2. Hace 20 horas · The United States is relatively young by world standards, being less than 250 years old; it achieved its current size only in the mid-20th century. America was the first of the European colonies to separate successfully from its motherland, and it was the first nation to be established on the premise that sovereignty rests with its citizens and not with the government.

    • List of years in the United States wikipedia1
    • List of years in the United States wikipedia2
    • List of years in the United States wikipedia3
    • List of years in the United States wikipedia4
    • List of years in the United States wikipedia5
  3. Hace 16 horas · The United Nations headquarters has been situated along the East River in Midtown Manhattan since 1952; in 1945, the United States was a founding member of the UN. The United States has an established structure of foreign relations, and it has the world's second-largest diplomatic corps as of 2024.

  4. Hace 2 días · Representatives must be at least 25 years old, be a citizen of the United States for seven years, and live in the state they represent. Senators must be at least 30 years old, be a citizen for nine years, and live in the state they represent. Article I, Section 8 enumerates the powers delegated to the legislature.

    • September 17, 1787
    • June 21, 1788
  5. Hace 14 horas · See all videos for this article. Congress of the United States, the legislature of the United States of America, established under the Constitution of 1789 and separated structurally from the executive and judicial branches of government. It consists of two houses: the Senate, in which each state, regardless of its size, is represented by two ...

    • The Editors of Encyclopaedia Britannica
  6. Hace 1 día · U.S. state, first-order administrative unit of the United States, one of 50 constituent political entities (four of them called commonwealths) that share sovereignty with the federal government. Each state has a written constitution of its own design, subject to the condition that it shall not violate the U.S. Constitution.