Explanation

• the G7 ( group of seven) is an Organization of the world's seven largest advanced economies.
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• The G7 is an informal grouping of seven of the world's advanced economies
  
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• The Group of Seven (G-7) is an intergovernmental organization made up of the world's largest developed economies: France, Germany, Italy, Japan, the United States, the United Kingdom, and Canada.
• the (G7) group of seven is an Organization first established in1975