"land of opportunity" meaning in English

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      "expansion": "the land of opportunity",
      "name": "en-prop"
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
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        {
          "kind": "place",
          "langcode": "en",
          "name": "United States",
          "orig": "en:United States",
          "parents": [
            "North America",
            "America",
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      "examples": [
        {
          "text": "They say America is the land of opportunity. Opportunity for what? For children to run in the dirty streets? - Mr Mousekewitz in An American Tail: Fievel Goes West"
        },
        {
          "ref": "2013 June 7, Joseph Stiglitz, “Globalisation is about taxes too”, in The Guardian Weekly, volume 188, number 26, page 19",
          "text": "It is time the international community faced the reality: we have an unmanageable, unfair, distortionary global tax regime. […] It is the starving of the public sector which has been pivotal in America no longer being the land of opportunity – with a child's life prospects more dependent on the income and education of its parents than in other advanced countries.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The United States."
      ],
      "id": "en-land_of_opportunity-en-name--uiHAmxO",
      "links": [
        [
          "United States",
          "United States"
        ]
      ],
      "raw_glosses": [
        "(informal, idiomatic) The United States."
      ],
      "tags": [
        "idiomatic",
        "informal"
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      "audio": "En-au-land of opportunity.ogg",
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      "tags": [
        "Australia"
      ],
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    }
  ],
  "word": "land of opportunity"
}

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    {
      "form": "the land of opportunity",
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      "expansion": "the land of opportunity",
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  "lang_code": "en",
  "pos": "name",
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        "en:Country nicknames",
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      "examples": [
        {
          "text": "They say America is the land of opportunity. Opportunity for what? For children to run in the dirty streets? - Mr Mousekewitz in An American Tail: Fievel Goes West"
        },
        {
          "ref": "2013 June 7, Joseph Stiglitz, “Globalisation is about taxes too”, in The Guardian Weekly, volume 188, number 26, page 19",
          "text": "It is time the international community faced the reality: we have an unmanageable, unfair, distortionary global tax regime. […] It is the starving of the public sector which has been pivotal in America no longer being the land of opportunity – with a child's life prospects more dependent on the income and education of its parents than in other advanced countries.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The United States."
      ],
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        [
          "United States",
          "United States"
        ]
      ],
      "raw_glosses": [
        "(informal, idiomatic) The United States."
      ],
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        "idiomatic",
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      "tags": [
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  "word": "land of opportunity"
}