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Chairman Maos red guards</span>
Here are the chronological events:
1. <span>humans survived by hunting and gathering.
2. </span><span>the the neolithic revolution occurred,
3. </span><span>people could farm and store a surplus of food,
</span><span>4. advanced civilizations developed
</span>The advancaement in agricultural technology became the turning point in human history because it allow humans to modify food availability in order to sustain our survival, which lead to massive population growth and safety over period of time.
Hello Sue12386
The two words at the top of the dictionary page is called <em><u>guide words</u></em>
:)
That would be the principal of federalism
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