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First World
conceptual country classification / From Wikipedia, the free encyclopedia
First World or Developed World is a term used in geopolitics and economics to refer to the richer and more developed nations. In these countries, the majority of the people are in the middle class and enjoy a good standard of living. This term is being used less, as terms like global North and developed world become more common.
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First World: the United States and its allies.
Second World: the Soviet Union, China, and their allies.