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Communities living in Colombia thousands of years ago achieved an engineering wonder of the world based on cooperation among family groups without top-down government, a new study shows.



Is “pre-Hispanic” a general replacement for “pre-Columbian”, or is it just used in Colombia to avoid confusion with the country name?
Could have just said Zenú/Sinú.
Pre-hispanic typically means before colonization by Christopher Columbus and his Spaniard ilk.