I can help but I I need you to explain a little more. What view did Harlan take at first ? Is this a book or is this just a question?
Great Britain. If you look at a map of colonial nations in Africa, Great Britain by far has an extensive amount.
Answer:
The development of agriculture introduced trading and surplus. This allowed people to expand the way of living and trading. People were able to store food by digging holes within the ground.
Explanation:
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Listen carefully to them and ask for help if you need to.