Can you please comment the question.. itmight just be me but can you simplify it..?
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12 to 12.8 mil over a span of 400 years
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Checks and balances system I'm pretty sure.
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It don’t really it just depends
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Hunting and gathering caused a more nomadic lifestyle, where they were always moving where their food was, and farming, otherwise known as the Agricultural Revolution, was made so we could advance civilization and our technology. These were made into villages and were later made into city-states like Ur and Uruk.
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