"spent forces" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "text": "Nationalism and ethnocentrism are far from being spent forces in the modern world."
        },
        {
          "text": "Such a revival is a revival of spent forces, that can gather only for an early and more complete dispersion."
        }
      ],
      "form_of": [
        {
          "word": "spent force"
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      ],
      "glosses": [
        "plural of spent force"
      ],
      "id": "en-spent_forces-en-noun-0Dc161hl",
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          "spent force",
          "spent force#English"
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      "tags": [
        "form-of",
        "plural"
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  "word": "spent forces"
}

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      "expansion": "spent forces",
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  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "text": "Nationalism and ethnocentrism are far from being spent forces in the modern world."
        },
        {
          "text": "Such a revival is a revival of spent forces, that can gather only for an early and more complete dispersion."
        }
      ],
      "form_of": [
        {
          "word": "spent force"
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      ],
      "glosses": [
        "plural of spent force"
      ],
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  "word": "spent forces"
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