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Third World Countries: Definition, Criteria, and List of Countries
Third World | Definition & Facts | Britannica Money
Why are countries classified as First, Second or Third World? - HISTORY
Third World - Wikipedia
First, Second, and Third World - Nations Online Project
Countries of the Third World - Nations Online Project
The Third World and the United States - Oxford Research …
'Third World' Is An Offensive Term. Here's Why - NPR
Third World | Encyclopedia.com
The Third World: Origins and Legacy of a Concept | TIME