Farmers are sedentary and live amid their own sewage

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Farmers are sedentary and live amid their own sewage Sedentary farmers become surrounded not only by their feces but also by disease transmitting rodents attracted by the farmers’ stored food 51 T OWARDS THE M ODERN E RA : A GRICULTURAL E NGINEERING
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Cats, Natural Pest Control Coincidentally, the domestication of cats coincides with agricultural revolution, probably to help control rodent populations associated with food storage 52 T OWARDS THE M ODERN E RA : A GRICULTURAL E NGINEERING
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The rise of cities was a bonanza for our microbes, as still more densely packed human populations festered under even worse sanitation conditions 53 T OWARDS THE M ODERN E RA : A GRICULTURAL E NGINEERING
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Another bonanza was the development of world trade routes which effectively joined the populations of Europe, Asia, and North Africa into one giant breeding ground for microbes … and later Globalization 54 T OWARDS THE M ODERN E RA : A GRICULTURAL E NGINEERING
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Settlements became larger leading also to the first evidence of city-states, large terraced buildings, and the appearance of rulers as priest- kings 55 T OWARDS THE M ODERN E RA : C IVILIZATIONS R ISE
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