By actively managing their food supplies, agricultural societies were able to produce more food than hunter-foragers and support denser populations. Having a large population nearby made it worthwhile for farmers to grow more food than they needed for themselves, as they could trade this surplus for other goods.
The fear of communism was a real thing because it was basically a witch hunt for a witch that didn't really exist. Everyone was afraid of communism, there was propaganda posters that scared americans and it created a new term called mcCarthyism.
Answer:
Chicago race riot
Explanation:
Chicago riots: July 27–August 12
Beginning on July 27, the Chicago race riot marked the greatest massacre of Red Summer.
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Periodization.
First of all, it sounds like it would make sense: periodization sounds like a word that would describe splitting something into periods. Also, the other answer choices don't make sense; secularization is the shift from religious beliefs to secular (less religious) ideals, causation is the relationship between cause and effect, and the Renaissance is just, well, the Renaissance (a period in history).