What model are you talking about?
<span>Nomadic and agriculturists </span><span />
Who had the most nuclear bombs.
Answer: Agricultural Hearths. When looking at the spread of new ideas, we start with the place where that idea emerged. We call this a hearth, so an agricultural hearth would be the place where farming was first developed. Over in China, between the Yellow and Yangtze rivers, ancient people developed agriculture on their own.
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