Why are countries classified as First, Second or Third World? - HISTORY
List of countries and dependencies by area - Wikipedia
What is the Definition of a Third World Country? - The Borgen Project
What is a First World Country? | First World Countries: Examples | Study.com
Developing country - Wikipedia
The Largest and the Smallest Countries in the World by Area - Nations Online Project
PDF) The Third World: Its Origin, Meaning, Definition and Its Problems | Shubham Srivastava - Academia.edu
Western world - Wikipedia
The Term “Third World Country” Refers to the Political and Economic Structure of a Country, Not Its Developmental State or Wealth
Third World vs First World Countries - What's The Difference? - YouTube
The State and the National Bourgeoisie in Postrevolutionary Mexico: 1920-1940 - Nora Hamilton, 1982
WHY "THIRD WORLD" IS OUTDATED AND WHAT YOU SHOULD SAY INSTEAD | Travel for Difference
First World - Definitions, Membership Criteria, Example
The country of the second world - Architizer
WHY "THIRD WORLD" IS OUTDATED AND WHAT YOU SHOULD SAY INSTEAD | Travel for Difference
First, Second, and Third World - Nations Online Project
What does First, Second and Third World countries mean
PDF) What it means to be matriotic
ISO 3166-1 alpha-2 - Wikipedia
What are the definitions and derivations of 'First World', 'Second World', and 'Third World' countries? How did these terms start? - Quora
Five maps that will change how you see the world
:max_bytes(150000):strip_icc()/first-world-edit-45c91ba90ff245ee84a7e5b8c4a91d39.jpg "What Is a First World (aka Developed or Industrialized) Country?")
What Is a First World (aka Developed or Industrialized) Country?
:max_bytes(150000):strip_icc()/worlds-top-economies_V2-86179c590fa745bfb98b18e709f3ea4b.png "Countries by GDP: The Top 25 Economies in the World")