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Nations with low literacy rates have a lower education and when a nation has lower eduacation less people know how to do jobs and take care of themselves they make less money and cant take care of themselve where as higher literaacy
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I hope this helps i tried
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Explanation:
The Columbian Exchange transported plants, animals, diseases, technologies, and people one continent to another. Crops like tobacco, tomatoes, potatoes, corn, cacao, peanuts, and pumpkins went from the Americas to rest of the world. ... The triangular trade was the trade between Europe, Africa, and the Americas.
Answer:
if your looking for a real answer then 7.7 billion people