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10,000 BCE
The First Agricultural/Neolithic Revolution
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9000 BCE
Use of Animals to Work the Land
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7000 BCE
When We Began Raising Livestock
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Use of Large Machinery to Work the Land
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Monocropping was First Developed
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Synthetic Chemical Fertilizers and Pesticides Were Developed and Became Widely Used
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The Invention and Wide-Spread Use of Concentrated Animal Feeding Operations (CAFOs)
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The First Green Revolution
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GMOs Were Developed and Became Widely Used
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Second Green Revolution